Home / 13,943.52-20,792.28-12,008.16

Finding the Fourth Proportional to 13,943.52, 20,792.28 and 12,008.16

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Solution

The fourth proportional to 13,943.52, 20,792.28 and 12,008.16 is: 17,906.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.52 : 20,792.28 = 12,008.16 : x
  2. Step 2: Convert to fraction form
    13,943.52/20,792.28 = 12,008.16/x
  3. Step 3: Cross multiply
    13,943.52x = 20,792.28 × 12,008.16
  4. Step 4: Simplify right side
    13,943.52x = 249,677,025.00
  5. Step 5: Solve for x
    x = 249,677,025.00/13,943.52
  6. Step 6: Final answer
    x = 17,906.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.