Home / 18,916.38-26,104.68-10,532.88

Finding the Fourth Proportional to 18,916.38, 26,104.68 and 10,532.88

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Solution

The fourth proportional to 18,916.38, 26,104.68 and 10,532.88 is: 14,535.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916.38 : 26,104.68 = 10,532.88 : x
  2. Step 2: Convert to fraction form
    18,916.38/26,104.68 = 10,532.88/x
  3. Step 3: Cross multiply
    18,916.38x = 26,104.68 × 10,532.88
  4. Step 4: Simplify right side
    18,916.38x = 274,957,461.88
  5. Step 5: Solve for x
    x = 274,957,461.88/18,916.38
  6. Step 6: Final answer
    x = 14,535.42

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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.