Home / 18,948.72-26,151.22-10,453.04

Finding the Fourth Proportional to 18,948.72, 26,151.22 and 10,453.04

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Solution

The fourth proportional to 18,948.72, 26,151.22 and 10,453.04 is: 14,426.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.72 : 26,151.22 = 10,453.04 : x
  2. Step 2: Convert to fraction form
    18,948.72/26,151.22 = 10,453.04/x
  3. Step 3: Cross multiply
    18,948.72x = 26,151.22 × 10,453.04
  4. Step 4: Simplify right side
    18,948.72x = 273,359,748.71
  5. Step 5: Solve for x
    x = 273,359,748.71/18,948.72
  6. Step 6: Final answer
    x = 14,426.29

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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.