Home / 38,913.92-58,376.64-14,288

Finding the Fourth Proportional to 38,913.92, 58,376.64 and 14,288

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Solution

The fourth proportional to 38,913.92, 58,376.64 and 14,288 is: 21,434.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,913.92 : 58,376.64 = 14,288 : x
  2. Step 2: Convert to fraction form
    38,913.92/58,376.64 = 14,288/x
  3. Step 3: Cross multiply
    38,913.92x = 58,376.64 × 14,288
  4. Step 4: Simplify right side
    38,913.92x = 834,085,432.32
  5. Step 5: Solve for x
    x = 834,085,432.32/38,913.92
  6. Step 6: Final answer
    x = 21,434.11

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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.