Home / 25,695.16-35,470.25-15,626.84

Finding the Fourth Proportional to 25,695.16, 35,470.25 and 15,626.84

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Solution

The fourth proportional to 25,695.16, 35,470.25 and 15,626.84 is: 21,571.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,695.16 : 35,470.25 = 15,626.84 : x
  2. Step 2: Convert to fraction form
    25,695.16/35,470.25 = 15,626.84/x
  3. Step 3: Cross multiply
    25,695.16x = 35,470.25 × 15,626.84
  4. Step 4: Simplify right side
    25,695.16x = 554,287,862.41
  5. Step 5: Solve for x
    x = 554,287,862.41/25,695.16
  6. Step 6: Final answer
    x = 21,571.68

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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.