Home / 15,193.17-22,789.76-6,428.16

Finding the Fourth Proportional to 15,193.17, 22,789.76 and 6,428.16

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Solution

The fourth proportional to 15,193.17, 22,789.76 and 6,428.16 is: 9,642.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193.17 : 22,789.76 = 6,428.16 : x
  2. Step 2: Convert to fraction form
    15,193.17/22,789.76 = 6,428.16/x
  3. Step 3: Cross multiply
    15,193.17x = 22,789.76 × 6,428.16
  4. Step 4: Simplify right side
    15,193.17x = 146,496,191.50
  5. Step 5: Solve for x
    x = 146,496,191.50/15,193.17
  6. Step 6: Final answer
    x = 9,642.24

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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.