Home / 13,149.76-19,713.12-4,947.52

Finding the Fourth Proportional to 13,149.76, 19,713.12 and 4,947.52

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Solution

The fourth proportional to 13,149.76, 19,713.12 and 4,947.52 is: 7,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.76 : 19,713.12 = 4,947.52 : x
  2. Step 2: Convert to fraction form
    13,149.76/19,713.12 = 4,947.52/x
  3. Step 3: Cross multiply
    13,149.76x = 19,713.12 × 4,947.52
  4. Step 4: Simplify right side
    13,149.76x = 97,531,055.46
  5. Step 5: Solve for x
    x = 97,531,055.46/13,149.76
  6. Step 6: Final answer
    x = 7,416.95

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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.