Home / 18,577.57-25,636.90-10,079.70

Finding the Fourth Proportional to 18,577.57, 25,636.90 and 10,079.70

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Solution

The fourth proportional to 18,577.57, 25,636.90 and 10,079.70 is: 13,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.57 : 25,636.90 = 10,079.70 : x
  2. Step 2: Convert to fraction form
    18,577.57/25,636.90 = 10,079.70/x
  3. Step 3: Cross multiply
    18,577.57x = 25,636.90 × 10,079.70
  4. Step 4: Simplify right side
    18,577.57x = 258,412,260.93
  5. Step 5: Solve for x
    x = 258,412,260.93/18,577.57
  6. Step 6: Final answer
    x = 13,909.91

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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.