Home / 15,562.04-21,475.87-8,488.46

Finding the Fourth Proportional to 15,562.04, 21,475.87 and 8,488.46

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Solution

The fourth proportional to 15,562.04, 21,475.87 and 8,488.46 is: 11,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562.04 : 21,475.87 = 8,488.46 : x
  2. Step 2: Convert to fraction form
    15,562.04/21,475.87 = 8,488.46/x
  3. Step 3: Cross multiply
    15,562.04x = 21,475.87 × 8,488.46
  4. Step 4: Simplify right side
    15,562.04x = 182,297,063.46
  5. Step 5: Solve for x
    x = 182,297,063.46/15,562.04
  6. Step 6: Final answer
    x = 11,714.21

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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.