Home / 17,157.96-23,681.52-10,869.12

Finding the Fourth Proportional to 17,157.96, 23,681.52 and 10,869.12

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Solution

The fourth proportional to 17,157.96, 23,681.52 and 10,869.12 is: 15,001.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,157.96 : 23,681.52 = 10,869.12 : x
  2. Step 2: Convert to fraction form
    17,157.96/23,681.52 = 10,869.12/x
  3. Step 3: Cross multiply
    17,157.96x = 23,681.52 × 10,869.12
  4. Step 4: Simplify right side
    17,157.96x = 257,397,282.66
  5. Step 5: Solve for x
    x = 257,397,282.66/17,157.96
  6. Step 6: Final answer
    x = 15,001.63

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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.