Home / 18,924.86-26,127.18-13,114.70

Finding the Fourth Proportional to 18,924.86, 26,127.18 and 13,114.70

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Solution

The fourth proportional to 18,924.86, 26,127.18 and 13,114.70 is: 18,105.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.86 : 26,127.18 = 13,114.70 : x
  2. Step 2: Convert to fraction form
    18,924.86/26,127.18 = 13,114.70/x
  3. Step 3: Cross multiply
    18,924.86x = 26,127.18 × 13,114.70
  4. Step 4: Simplify right side
    18,924.86x = 342,650,127.55
  5. Step 5: Solve for x
    x = 342,650,127.55/18,924.86
  6. Step 6: Final answer
    x = 18,105.82

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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.