Home / 25,078.43-34,608.63-15,007.30

Finding the Fourth Proportional to 25,078.43, 34,608.63 and 15,007.30

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Solution

The fourth proportional to 25,078.43, 34,608.63 and 15,007.30 is: 20,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,078.43 : 34,608.63 = 15,007.30 : x
  2. Step 2: Convert to fraction form
    25,078.43/34,608.63 = 15,007.30/x
  3. Step 3: Cross multiply
    25,078.43x = 34,608.63 × 15,007.30
  4. Step 4: Simplify right side
    25,078.43x = 519,382,006.48
  5. Step 5: Solve for x
    x = 519,382,006.48/25,078.43
  6. Step 6: Final answer
    x = 20,710.31

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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.