Home / 17,731.56-24,443.40-11,357.40

Finding the Fourth Proportional to 17,731.56, 24,443.40 and 11,357.40

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Solution

The fourth proportional to 17,731.56, 24,443.40 and 11,357.40 is: 15,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.56 : 24,443.40 = 11,357.40 : x
  2. Step 2: Convert to fraction form
    17,731.56/24,443.40 = 11,357.40/x
  3. Step 3: Cross multiply
    17,731.56x = 24,443.40 × 11,357.40
  4. Step 4: Simplify right side
    17,731.56x = 277,613,471.16
  5. Step 5: Solve for x
    x = 277,613,471.16/17,731.56
  6. Step 6: Final answer
    x = 15,656.46

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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.