Home / 18,928.92-26,123.39-10,432.57

Finding the Fourth Proportional to 18,928.92, 26,123.39 and 10,432.57

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Solution

The fourth proportional to 18,928.92, 26,123.39 and 10,432.57 is: 14,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,928.92 : 26,123.39 = 10,432.57 : x
  2. Step 2: Convert to fraction form
    18,928.92/26,123.39 = 10,432.57/x
  3. Step 3: Cross multiply
    18,928.92x = 26,123.39 × 10,432.57
  4. Step 4: Simplify right side
    18,928.92x = 272,533,977.34
  5. Step 5: Solve for x
    x = 272,533,977.34/18,928.92
  6. Step 6: Final answer
    x = 14,397.76

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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.