Home / 55,009.26-82,515.51-15,569.55

Finding the Fourth Proportional to 55,009.26, 82,515.51 and 15,569.55

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Solution

The fourth proportional to 55,009.26, 82,515.51 and 15,569.55 is: 23,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,009.26 : 82,515.51 = 15,569.55 : x
  2. Step 2: Convert to fraction form
    55,009.26/82,515.51 = 15,569.55/x
  3. Step 3: Cross multiply
    55,009.26x = 82,515.51 × 15,569.55
  4. Step 4: Simplify right side
    55,009.26x = 1,284,729,358.72
  5. Step 5: Solve for x
    x = 1,284,729,358.72/55,009.26
  6. Step 6: Final answer
    x = 23,354.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.