Home / 22,025.75-30,420.78-14,505.69

Finding the Fourth Proportional to 22,025.75, 30,420.78 and 14,505.69

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Solution

The fourth proportional to 22,025.75, 30,420.78 and 14,505.69 is: 20,034.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,025.75 : 30,420.78 = 14,505.69 : x
  2. Step 2: Convert to fraction form
    22,025.75/30,420.78 = 14,505.69/x
  3. Step 3: Cross multiply
    22,025.75x = 30,420.78 × 14,505.69
  4. Step 4: Simplify right side
    22,025.75x = 441,274,331.71
  5. Step 5: Solve for x
    x = 441,274,331.71/22,025.75
  6. Step 6: Final answer
    x = 20,034.47

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Half scale
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Double scale
Find fourth proportional to 22,026.75, 30,422.16 and 14,506.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.