Home / 34,259.97-47,279.87-18,946.74

Finding the Fourth Proportional to 34,259.97, 47,279.87 and 18,946.74

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Solution

The fourth proportional to 34,259.97, 47,279.87 and 18,946.74 is: 26,147.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,259.97 : 47,279.87 = 18,946.74 : x
  2. Step 2: Convert to fraction form
    34,259.97/47,279.87 = 18,946.74/x
  3. Step 3: Cross multiply
    34,259.97x = 47,279.87 × 18,946.74
  4. Step 4: Simplify right side
    34,259.97x = 895,799,404.12
  5. Step 5: Solve for x
    x = 895,799,404.12/34,259.97
  6. Step 6: Final answer
    x = 26,147.12

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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.