Home / 15,562.48-21,476.04-8,488.96

Finding the Fourth Proportional to 15,562.48, 21,476.04 and 8,488.96

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Solution

The fourth proportional to 15,562.48, 21,476.04 and 8,488.96 is: 11,714.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562.48 : 21,476.04 = 8,488.96 : x
  2. Step 2: Convert to fraction form
    15,562.48/21,476.04 = 8,488.96/x
  3. Step 3: Cross multiply
    15,562.48x = 21,476.04 × 8,488.96
  4. Step 4: Simplify right side
    15,562.48x = 182,309,244.52
  5. Step 5: Solve for x
    x = 182,309,244.52/15,562.48
  6. Step 6: Final answer
    x = 11,714.67

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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.