Home / 13,630.52-20,426.42-10,498.68

Finding the Fourth Proportional to 13,630.52, 20,426.42 and 10,498.68

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Solution

The fourth proportional to 13,630.52, 20,426.42 and 10,498.68 is: 15,733.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,630.52 : 20,426.42 = 10,498.68 : x
  2. Step 2: Convert to fraction form
    13,630.52/20,426.42 = 10,498.68/x
  3. Step 3: Cross multiply
    13,630.52x = 20,426.42 × 10,498.68
  4. Step 4: Simplify right side
    13,630.52x = 214,450,447.13
  5. Step 5: Solve for x
    x = 214,450,447.13/13,630.52
  6. Step 6: Final answer
    x = 15,733.11

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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.