Home / 15,502.50-23,251.25-4,255.21

Finding the Fourth Proportional to 15,502.50, 23,251.25 and 4,255.21

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Solution

The fourth proportional to 15,502.50, 23,251.25 and 4,255.21 is: 6,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502.50 : 23,251.25 = 4,255.21 : x
  2. Step 2: Convert to fraction form
    15,502.50/23,251.25 = 4,255.21/x
  3. Step 3: Cross multiply
    15,502.50x = 23,251.25 × 4,255.21
  4. Step 4: Simplify right side
    15,502.50x = 98,938,951.51
  5. Step 5: Solve for x
    x = 98,938,951.51/15,502.50
  6. Step 6: Final answer
    x = 6,382.13

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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.