Home / 14,685.75-22,029.78-4,155.60

Finding the Fourth Proportional to 14,685.75, 22,029.78 and 4,155.60

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Solution

The fourth proportional to 14,685.75, 22,029.78 and 4,155.60 is: 6,233.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,685.75 : 22,029.78 = 4,155.60 : x
  2. Step 2: Convert to fraction form
    14,685.75/22,029.78 = 4,155.60/x
  3. Step 3: Cross multiply
    14,685.75x = 22,029.78 × 4,155.60
  4. Step 4: Simplify right side
    14,685.75x = 91,547,002.87
  5. Step 5: Solve for x
    x = 91,547,002.87/14,685.75
  6. Step 6: Final answer
    x = 6,233.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.