Home / 22,792.65-31,444.38-15,139.50

Finding the Fourth Proportional to 22,792.65, 31,444.38 and 15,139.50

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Solution

The fourth proportional to 22,792.65, 31,444.38 and 15,139.50 is: 20,886.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,792.65 : 31,444.38 = 15,139.50 : x
  2. Step 2: Convert to fraction form
    22,792.65/31,444.38 = 15,139.50/x
  3. Step 3: Cross multiply
    22,792.65x = 31,444.38 × 15,139.50
  4. Step 4: Simplify right side
    22,792.65x = 476,052,191.01
  5. Step 5: Solve for x
    x = 476,052,191.01/22,792.65
  6. Step 6: Final answer
    x = 20,886.22

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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.