Home / 18,916.25-26,105.24-10,532.75

Finding the Fourth Proportional to 18,916.25, 26,105.24 and 10,532.75

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Solution

The fourth proportional to 18,916.25, 26,105.24 and 10,532.75 is: 14,535.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916.25 : 26,105.24 = 10,532.75 : x
  2. Step 2: Convert to fraction form
    18,916.25/26,105.24 = 10,532.75/x
  3. Step 3: Cross multiply
    18,916.25x = 26,105.24 × 10,532.75
  4. Step 4: Simplify right side
    18,916.25x = 274,959,966.61
  5. Step 5: Solve for x
    x = 274,959,966.61/18,916.25
  6. Step 6: Final answer
    x = 14,535.65

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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.