Home / 22,792.01-31,445.57-12,718.85

Finding the Fourth Proportional to 22,792.01, 31,445.57 and 12,718.85

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Solution

The fourth proportional to 22,792.01, 31,445.57 and 12,718.85 is: 17,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,792.01 : 31,445.57 = 12,718.85 : x
  2. Step 2: Convert to fraction form
    22,792.01/31,445.57 = 12,718.85/x
  3. Step 3: Cross multiply
    22,792.01x = 31,445.57 × 12,718.85
  4. Step 4: Simplify right side
    22,792.01x = 399,951,362.56
  5. Step 5: Solve for x
    x = 399,951,362.56/22,792.01
  6. Step 6: Final answer
    x = 17,547.88

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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.