Home / 23,400.12-32,304.06-15,886.20

Finding the Fourth Proportional to 23,400.12, 32,304.06 and 15,886.20

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Solution

The fourth proportional to 23,400.12, 32,304.06 and 15,886.20 is: 21,931.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,400.12 : 32,304.06 = 15,886.20 : x
  2. Step 2: Convert to fraction form
    23,400.12/32,304.06 = 15,886.20/x
  3. Step 3: Cross multiply
    23,400.12x = 32,304.06 × 15,886.20
  4. Step 4: Simplify right side
    23,400.12x = 513,188,757.97
  5. Step 5: Solve for x
    x = 513,188,757.97/23,400.12
  6. Step 6: Final answer
    x = 21,931.03

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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.