Home / 17,889.36-24,686.08-9,930.96

Finding the Fourth Proportional to 17,889.36, 24,686.08 and 9,930.96

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Solution

The fourth proportional to 17,889.36, 24,686.08 and 9,930.96 is: 13,704.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,889.36 : 24,686.08 = 9,930.96 : x
  2. Step 2: Convert to fraction form
    17,889.36/24,686.08 = 9,930.96/x
  3. Step 3: Cross multiply
    17,889.36x = 24,686.08 × 9,930.96
  4. Step 4: Simplify right side
    17,889.36x = 245,156,473.04
  5. Step 5: Solve for x
    x = 245,156,473.04/17,889.36
  6. Step 6: Final answer
    x = 13,704.04

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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.