Home / 15,239.57-22,862.19-6,920.16

Finding the Fourth Proportional to 15,239.57, 22,862.19 and 6,920.16

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Solution

The fourth proportional to 15,239.57, 22,862.19 and 6,920.16 is: 10,381.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239.57 : 22,862.19 = 6,920.16 : x
  2. Step 2: Convert to fraction form
    15,239.57/22,862.19 = 6,920.16/x
  3. Step 3: Cross multiply
    15,239.57x = 22,862.19 × 6,920.16
  4. Step 4: Simplify right side
    15,239.57x = 158,210,012.75
  5. Step 5: Solve for x
    x = 158,210,012.75/15,239.57
  6. Step 6: Final answer
    x = 10,381.53

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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.