Home / 31,412.64-43,349.26-17,265.18

Finding the Fourth Proportional to 31,412.64, 43,349.26 and 17,265.18

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Solution

The fourth proportional to 31,412.64, 43,349.26 and 17,265.18 is: 23,825.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,412.64 : 43,349.26 = 17,265.18 : x
  2. Step 2: Convert to fraction form
    31,412.64/43,349.26 = 17,265.18/x
  3. Step 3: Cross multiply
    31,412.64x = 43,349.26 × 17,265.18
  4. Step 4: Simplify right side
    31,412.64x = 748,432,776.77
  5. Step 5: Solve for x
    x = 748,432,776.77/31,412.64
  6. Step 6: Final answer
    x = 23,825.85

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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.