Home / 25,629.67-38,641.71-25,170.40

Finding the Fourth Proportional to 25,629.67, 38,641.71 and 25,170.40

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Solution

The fourth proportional to 25,629.67, 38,641.71 and 25,170.40 is: 37,949.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,629.67 : 38,641.71 = 25,170.40 : x
  2. Step 2: Convert to fraction form
    25,629.67/38,641.71 = 25,170.40/x
  3. Step 3: Cross multiply
    25,629.67x = 38,641.71 × 25,170.40
  4. Step 4: Simplify right side
    25,629.67x = 972,627,081.13
  5. Step 5: Solve for x
    x = 972,627,081.13/25,629.67
  6. Step 6: Final answer
    x = 37,949.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.