Home / 23,124.20-31,911.50-13,053.06

Finding the Fourth Proportional to 23,124.20, 31,911.50 and 13,053.06

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Solution

The fourth proportional to 23,124.20, 31,911.50 and 13,053.06 is: 18,013.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,124.20 : 31,911.50 = 13,053.06 : x
  2. Step 2: Convert to fraction form
    23,124.20/31,911.50 = 13,053.06/x
  3. Step 3: Cross multiply
    23,124.20x = 31,911.50 × 13,053.06
  4. Step 4: Simplify right side
    23,124.20x = 416,542,724.19
  5. Step 5: Solve for x
    x = 416,542,724.19/23,124.20
  6. Step 6: Final answer
    x = 18,013.28

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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.