Home / 15,478.17-23,217.25-14,689.31

Finding the Fourth Proportional to 15,478.17, 23,217.25 and 14,689.31

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Solution

The fourth proportional to 15,478.17, 23,217.25 and 14,689.31 is: 22,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478.17 : 23,217.25 = 14,689.31 : x
  2. Step 2: Convert to fraction form
    15,478.17/23,217.25 = 14,689.31/x
  3. Step 3: Cross multiply
    15,478.17x = 23,217.25 × 14,689.31
  4. Step 4: Simplify right side
    15,478.17x = 341,045,403.92
  5. Step 5: Solve for x
    x = 341,045,403.92/15,478.17
  6. Step 6: Final answer
    x = 22,033.96

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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.