Home / 15,957.20-22,013.37-12,396.04

Finding the Fourth Proportional to 15,957.20, 22,013.37 and 12,396.04

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Solution

The fourth proportional to 15,957.20, 22,013.37 and 12,396.04 is: 17,100.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957.20 : 22,013.37 = 12,396.04 : x
  2. Step 2: Convert to fraction form
    15,957.20/22,013.37 = 12,396.04/x
  3. Step 3: Cross multiply
    15,957.20x = 22,013.37 × 12,396.04
  4. Step 4: Simplify right side
    15,957.20x = 272,878,560.02
  5. Step 5: Solve for x
    x = 272,878,560.02/15,957.20
  6. Step 6: Final answer
    x = 17,100.65

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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.