Home / 25,589.31-35,315.85-14,260.65

Finding the Fourth Proportional to 25,589.31, 35,315.85 and 14,260.65

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Solution

The fourth proportional to 25,589.31, 35,315.85 and 14,260.65 is: 19,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,589.31 : 35,315.85 = 14,260.65 : x
  2. Step 2: Convert to fraction form
    25,589.31/35,315.85 = 14,260.65/x
  3. Step 3: Cross multiply
    25,589.31x = 35,315.85 × 14,260.65
  4. Step 4: Simplify right side
    25,589.31x = 503,626,976.30
  5. Step 5: Solve for x
    x = 503,626,976.30/25,589.31
  6. Step 6: Final answer
    x = 19,681.15

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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.