Home / 15,020.18-22,531.80-5,158.18

Finding the Fourth Proportional to 15,020.18, 22,531.80 and 5,158.18

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Solution

The fourth proportional to 15,020.18, 22,531.80 and 5,158.18 is: 7,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,020.18 : 22,531.80 = 5,158.18 : x
  2. Step 2: Convert to fraction form
    15,020.18/22,531.80 = 5,158.18/x
  3. Step 3: Cross multiply
    15,020.18x = 22,531.80 × 5,158.18
  4. Step 4: Simplify right side
    15,020.18x = 116,223,127.63
  5. Step 5: Solve for x
    x = 116,223,127.63/15,020.18
  6. Step 6: Final answer
    x = 7,737.80

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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.