Home / 18,079.17-27,118.59-4,931.52

Finding the Fourth Proportional to 18,079.17, 27,118.59 and 4,931.52

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Solution

The fourth proportional to 18,079.17, 27,118.59 and 4,931.52 is: 7,397.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.17 : 27,118.59 = 4,931.52 : x
  2. Step 2: Convert to fraction form
    18,079.17/27,118.59 = 4,931.52/x
  3. Step 3: Cross multiply
    18,079.17x = 27,118.59 × 4,931.52
  4. Step 4: Simplify right side
    18,079.17x = 133,735,733.36
  5. Step 5: Solve for x
    x = 133,735,733.36/18,079.17
  6. Step 6: Final answer
    x = 7,397.23

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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.