Home / 25,540.60-35,240.76-14,928.16

Finding the Fourth Proportional to 25,540.60, 35,240.76 and 14,928.16

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Solution

The fourth proportional to 25,540.60, 35,240.76 and 14,928.16 is: 20,597.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,540.60 : 35,240.76 = 14,928.16 : x
  2. Step 2: Convert to fraction form
    25,540.60/35,240.76 = 14,928.16/x
  3. Step 3: Cross multiply
    25,540.60x = 35,240.76 × 14,928.16
  4. Step 4: Simplify right side
    25,540.60x = 526,079,703.80
  5. Step 5: Solve for x
    x = 526,079,703.80/25,540.60
  6. Step 6: Final answer
    x = 20,597.78

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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.