Home / 22,025.57-30,420.51-14,505.51

Finding the Fourth Proportional to 22,025.57, 30,420.51 and 14,505.51

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Solution

The fourth proportional to 22,025.57, 30,420.51 and 14,505.51 is: 20,034.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,025.57 : 30,420.51 = 14,505.51 : x
  2. Step 2: Convert to fraction form
    22,025.57/30,420.51 = 14,505.51/x
  3. Step 3: Cross multiply
    22,025.57x = 30,420.51 × 14,505.51
  4. Step 4: Simplify right side
    22,025.57x = 441,264,939.48
  5. Step 5: Solve for x
    x = 441,264,939.48/22,025.57
  6. Step 6: Final answer
    x = 20,034.22

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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.