Home / 17,066.16-23,551.80-9,991.92

Finding the Fourth Proportional to 17,066.16, 23,551.80 and 9,991.92

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Solution

The fourth proportional to 17,066.16, 23,551.80 and 9,991.92 is: 13,789.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,066.16 : 23,551.80 = 9,991.92 : x
  2. Step 2: Convert to fraction form
    17,066.16/23,551.80 = 9,991.92/x
  3. Step 3: Cross multiply
    17,066.16x = 23,551.80 × 9,991.92
  4. Step 4: Simplify right side
    17,066.16x = 235,327,701.46
  5. Step 5: Solve for x
    x = 235,327,701.46/17,066.16
  6. Step 6: Final answer
    x = 13,789.14

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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.