Home / 18,930.54-26,124.32-10,432.97

Finding the Fourth Proportional to 18,930.54, 26,124.32 and 10,432.97

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Solution

The fourth proportional to 18,930.54, 26,124.32 and 10,432.97 is: 14,397.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,930.54 : 26,124.32 = 10,432.97 : x
  2. Step 2: Convert to fraction form
    18,930.54/26,124.32 = 10,432.97/x
  3. Step 3: Cross multiply
    18,930.54x = 26,124.32 × 10,432.97
  4. Step 4: Simplify right side
    18,930.54x = 272,554,246.83
  5. Step 5: Solve for x
    x = 272,554,246.83/18,930.54
  6. Step 6: Final answer
    x = 14,397.59

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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.