Home / 25,690.08-35,454.86-15,079.48

Finding the Fourth Proportional to 25,690.08, 35,454.86 and 15,079.48

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Solution

The fourth proportional to 25,690.08, 35,454.86 and 15,079.48 is: 20,811.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690.08 : 35,454.86 = 15,079.48 : x
  2. Step 2: Convert to fraction form
    25,690.08/35,454.86 = 15,079.48/x
  3. Step 3: Cross multiply
    25,690.08x = 35,454.86 × 15,079.48
  4. Step 4: Simplify right side
    25,690.08x = 534,640,852.27
  5. Step 5: Solve for x
    x = 534,640,852.27/25,690.08
  6. Step 6: Final answer
    x = 20,811.18

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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.