Home / 23,681.28-35,520.68-8,889.06

Finding the Fourth Proportional to 23,681.28, 35,520.68 and 8,889.06

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Solution

The fourth proportional to 23,681.28, 35,520.68 and 8,889.06 is: 13,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,681.28 : 35,520.68 = 8,889.06 : x
  2. Step 2: Convert to fraction form
    23,681.28/35,520.68 = 8,889.06/x
  3. Step 3: Cross multiply
    23,681.28x = 35,520.68 × 8,889.06
  4. Step 4: Simplify right side
    23,681.28x = 315,745,455.76
  5. Step 5: Solve for x
    x = 315,745,455.76/23,681.28
  6. Step 6: Final answer
    x = 13,333.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.