Home / 15,562.62-21,476.34-8,488.98

Finding the Fourth Proportional to 15,562.62, 21,476.34 and 8,488.98

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Solution

The fourth proportional to 15,562.62, 21,476.34 and 8,488.98 is: 11,714.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562.62 : 21,476.34 = 8,488.98 : x
  2. Step 2: Convert to fraction form
    15,562.62/21,476.34 = 8,488.98/x
  3. Step 3: Cross multiply
    15,562.62x = 21,476.34 × 8,488.98
  4. Step 4: Simplify right side
    15,562.62x = 182,312,220.73
  5. Step 5: Solve for x
    x = 182,312,220.73/15,562.62
  6. Step 6: Final answer
    x = 11,714.75

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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.