Home / 15,423-23,132.78-4,330.12

Finding the Fourth Proportional to 15,423, 23,132.78 and 4,330.12

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Solution

The fourth proportional to 15,423, 23,132.78 and 4,330.12 is: 6,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423 : 23,132.78 = 4,330.12 : x
  2. Step 2: Convert to fraction form
    15,423/23,132.78 = 4,330.12/x
  3. Step 3: Cross multiply
    15,423x = 23,132.78 × 4,330.12
  4. Step 4: Simplify right side
    15,423x = 100,167,713.33
  5. Step 5: Solve for x
    x = 100,167,713.33/15,423
  6. Step 6: Final answer
    x = 6,494.70

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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.