Home / 55,126.71-82,683.92-15,148.76

Finding the Fourth Proportional to 55,126.71, 82,683.92 and 15,148.76

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Solution

The fourth proportional to 55,126.71, 82,683.92 and 15,148.76 is: 22,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,126.71 : 82,683.92 = 15,148.76 : x
  2. Step 2: Convert to fraction form
    55,126.71/82,683.92 = 15,148.76/x
  3. Step 3: Cross multiply
    55,126.71x = 82,683.92 × 15,148.76
  4. Step 4: Simplify right side
    55,126.71x = 1,252,558,484.39
  5. Step 5: Solve for x
    x = 1,252,558,484.39/55,126.71
  6. Step 6: Final answer
    x = 22,721.44

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1.5x scale

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.