Home / 13,502.76-20,247.12-6,103.68

Finding the Fourth Proportional to 13,502.76, 20,247.12 and 6,103.68

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Solution

The fourth proportional to 13,502.76, 20,247.12 and 6,103.68 is: 9,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.76 : 20,247.12 = 6,103.68 : x
  2. Step 2: Convert to fraction form
    13,502.76/20,247.12 = 6,103.68/x
  3. Step 3: Cross multiply
    13,502.76x = 20,247.12 × 6,103.68
  4. Step 4: Simplify right side
    13,502.76x = 123,581,941.40
  5. Step 5: Solve for x
    x = 123,581,941.40/13,502.76
  6. Step 6: Final answer
    x = 9,152.35

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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.