Home / 13,034.40-19,561.20-5,248.80

Finding the Fourth Proportional to 13,034.40, 19,561.20 and 5,248.80

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Solution

The fourth proportional to 13,034.40, 19,561.20 and 5,248.80 is: 7,877.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,034.40 : 19,561.20 = 5,248.80 : x
  2. Step 2: Convert to fraction form
    13,034.40/19,561.20 = 5,248.80/x
  3. Step 3: Cross multiply
    13,034.40x = 19,561.20 × 5,248.80
  4. Step 4: Simplify right side
    13,034.40x = 102,672,826.56
  5. Step 5: Solve for x
    x = 102,672,826.56/13,034.40
  6. Step 6: Final answer
    x = 7,877.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.