Home / 23,288.88-32,116.92-15,219.12

Finding the Fourth Proportional to 23,288.88, 32,116.92 and 15,219.12

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Solution

The fourth proportional to 23,288.88, 32,116.92 and 15,219.12 is: 20,988.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,288.88 : 32,116.92 = 15,219.12 : x
  2. Step 2: Convert to fraction form
    23,288.88/32,116.92 = 15,219.12/x
  3. Step 3: Cross multiply
    23,288.88x = 32,116.92 × 15,219.12
  4. Step 4: Simplify right side
    23,288.88x = 488,791,259.51
  5. Step 5: Solve for x
    x = 488,791,259.51/23,288.88
  6. Step 6: Final answer
    x = 20,988.18

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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.