Home / 15,948.89-22,006.99-8,875.29

Finding the Fourth Proportional to 15,948.89, 22,006.99 and 8,875.29

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Solution

The fourth proportional to 15,948.89, 22,006.99 and 8,875.29 is: 12,246.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,948.89 : 22,006.99 = 8,875.29 : x
  2. Step 2: Convert to fraction form
    15,948.89/22,006.99 = 8,875.29/x
  3. Step 3: Cross multiply
    15,948.89x = 22,006.99 × 8,875.29
  4. Step 4: Simplify right side
    15,948.89x = 195,318,373.90
  5. Step 5: Solve for x
    x = 195,318,373.90/15,948.89
  6. Step 6: Final answer
    x = 12,246.52

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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.