Home / 15,562.50-21,468.84-10,528.49

Finding the Fourth Proportional to 15,562.50, 21,468.84 and 10,528.49

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Solution

The fourth proportional to 15,562.50, 21,468.84 and 10,528.49 is: 14,524.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562.50 : 21,468.84 = 10,528.49 : x
  2. Step 2: Convert to fraction form
    15,562.50/21,468.84 = 10,528.49/x
  3. Step 3: Cross multiply
    15,562.50x = 21,468.84 × 10,528.49
  4. Step 4: Simplify right side
    15,562.50x = 226,034,359.91
  5. Step 5: Solve for x
    x = 226,034,359.91/15,562.50
  6. Step 6: Final answer
    x = 14,524.30

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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.