Home / 21,358.17-32,037.84-5,775.75

Finding the Fourth Proportional to 21,358.17, 32,037.84 and 5,775.75

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Solution

The fourth proportional to 21,358.17, 32,037.84 and 5,775.75 is: 8,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358.17 : 32,037.84 = 5,775.75 : x
  2. Step 2: Convert to fraction form
    21,358.17/32,037.84 = 5,775.75/x
  3. Step 3: Cross multiply
    21,358.17x = 32,037.84 × 5,775.75
  4. Step 4: Simplify right side
    21,358.17x = 185,042,554.38
  5. Step 5: Solve for x
    x = 185,042,554.38/21,358.17
  6. Step 6: Final answer
    x = 8,663.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.