Home / 15,372.99-23,059.51-4,279.70

Finding the Fourth Proportional to 15,372.99, 23,059.51 and 4,279.70

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Solution

The fourth proportional to 15,372.99, 23,059.51 and 4,279.70 is: 6,419.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,372.99 : 23,059.51 = 4,279.70 : x
  2. Step 2: Convert to fraction form
    15,372.99/23,059.51 = 4,279.70/x
  3. Step 3: Cross multiply
    15,372.99x = 23,059.51 × 4,279.70
  4. Step 4: Simplify right side
    15,372.99x = 98,687,831.90
  5. Step 5: Solve for x
    x = 98,687,831.90/15,372.99
  6. Step 6: Final answer
    x = 6,419.56

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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.