Home / 25,653.06-35,401.41-15,042.90

Finding the Fourth Proportional to 25,653.06, 35,401.41 and 15,042.90

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Solution

The fourth proportional to 25,653.06, 35,401.41 and 15,042.90 is: 20,759.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,653.06 : 35,401.41 = 15,042.90 : x
  2. Step 2: Convert to fraction form
    25,653.06/35,401.41 = 15,042.90/x
  3. Step 3: Cross multiply
    25,653.06x = 35,401.41 × 15,042.90
  4. Step 4: Simplify right side
    25,653.06x = 532,539,870.49
  5. Step 5: Solve for x
    x = 532,539,870.49/25,653.06
  6. Step 6: Final answer
    x = 20,759.31

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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.