Home / 23,184.16-31,956.88-18,139.68

Finding the Fourth Proportional to 23,184.16, 31,956.88 and 18,139.68

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Solution

The fourth proportional to 23,184.16, 31,956.88 and 18,139.68 is: 25,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,184.16 : 31,956.88 = 18,139.68 : x
  2. Step 2: Convert to fraction form
    23,184.16/31,956.88 = 18,139.68/x
  3. Step 3: Cross multiply
    23,184.16x = 31,956.88 × 18,139.68
  4. Step 4: Simplify right side
    23,184.16x = 579,687,577.00
  5. Step 5: Solve for x
    x = 579,687,577.00/23,184.16
  6. Step 6: Final answer
    x = 25,003.60

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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.