Home / 15,467.56-21,332.05-10,425.15

Finding the Fourth Proportional to 15,467.56, 21,332.05 and 10,425.15

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Solution

The fourth proportional to 15,467.56, 21,332.05 and 10,425.15 is: 14,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.56 : 21,332.05 = 10,425.15 : x
  2. Step 2: Convert to fraction form
    15,467.56/21,332.05 = 10,425.15/x
  3. Step 3: Cross multiply
    15,467.56x = 21,332.05 × 10,425.15
  4. Step 4: Simplify right side
    15,467.56x = 222,389,821.06
  5. Step 5: Solve for x
    x = 222,389,821.06/15,467.56
  6. Step 6: Final answer
    x = 14,377.83

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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.