Home / 13,307.57-19,963.17-4,540.13

Finding the Fourth Proportional to 13,307.57, 19,963.17 and 4,540.13

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Solution

The fourth proportional to 13,307.57, 19,963.17 and 4,540.13 is: 6,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.57 : 19,963.17 = 4,540.13 : x
  2. Step 2: Convert to fraction form
    13,307.57/19,963.17 = 4,540.13/x
  3. Step 3: Cross multiply
    13,307.57x = 19,963.17 × 4,540.13
  4. Step 4: Simplify right side
    13,307.57x = 90,635,287.20
  5. Step 5: Solve for x
    x = 90,635,287.20/13,307.57
  6. Step 6: Final answer
    x = 6,810.81

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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.