Home / 18,127.71-25,015.85-10,060.89

Finding the Fourth Proportional to 18,127.71, 25,015.85 and 10,060.89

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Solution

The fourth proportional to 18,127.71, 25,015.85 and 10,060.89 is: 13,883.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.71 : 25,015.85 = 10,060.89 : x
  2. Step 2: Convert to fraction form
    18,127.71/25,015.85 = 10,060.89/x
  3. Step 3: Cross multiply
    18,127.71x = 25,015.85 × 10,060.89
  4. Step 4: Simplify right side
    18,127.71x = 251,681,710.82
  5. Step 5: Solve for x
    x = 251,681,710.82/18,127.71
  6. Step 6: Final answer
    x = 13,883.82

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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.