Home / 13,307.04-18,348.12-9,943.92

Finding the Fourth Proportional to 13,307.04, 18,348.12 and 9,943.92

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Solution

The fourth proportional to 13,307.04, 18,348.12 and 9,943.92 is: 13,710.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.04 : 18,348.12 = 9,943.92 : x
  2. Step 2: Convert to fraction form
    13,307.04/18,348.12 = 9,943.92/x
  3. Step 3: Cross multiply
    13,307.04x = 18,348.12 × 9,943.92
  4. Step 4: Simplify right side
    13,307.04x = 182,452,237.43
  5. Step 5: Solve for x
    x = 182,452,237.43/13,307.04
  6. Step 6: Final answer
    x = 13,710.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.