Home / 15,562.10-21,475.69-8,488.52

Finding the Fourth Proportional to 15,562.10, 21,475.69 and 8,488.52

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Solution

The fourth proportional to 15,562.10, 21,475.69 and 8,488.52 is: 11,714.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562.10 : 21,475.69 = 8,488.52 : x
  2. Step 2: Convert to fraction form
    15,562.10/21,475.69 = 8,488.52/x
  3. Step 3: Cross multiply
    15,562.10x = 21,475.69 × 8,488.52
  4. Step 4: Simplify right side
    15,562.10x = 182,296,824.08
  5. Step 5: Solve for x
    x = 182,296,824.08/15,562.10
  6. Step 6: Final answer
    x = 11,714.15

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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.