Home / 13,263.18-19,900.02-5,470.18

Finding the Fourth Proportional to 13,263.18, 19,900.02 and 5,470.18

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Solution

The fourth proportional to 13,263.18, 19,900.02 and 5,470.18 is: 8,207.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.18 : 19,900.02 = 5,470.18 : x
  2. Step 2: Convert to fraction form
    13,263.18/19,900.02 = 5,470.18/x
  3. Step 3: Cross multiply
    13,263.18x = 19,900.02 × 5,470.18
  4. Step 4: Simplify right side
    13,263.18x = 108,856,691.40
  5. Step 5: Solve for x
    x = 108,856,691.40/13,263.18
  6. Step 6: Final answer
    x = 8,207.44

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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.