Home / 25,815.64-35,625.94-15,060.20

Finding the Fourth Proportional to 25,815.64, 35,625.94 and 15,060.20

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Solution

The fourth proportional to 25,815.64, 35,625.94 and 15,060.20 is: 20,783.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,815.64 : 35,625.94 = 15,060.20 : x
  2. Step 2: Convert to fraction form
    25,815.64/35,625.94 = 15,060.20/x
  3. Step 3: Cross multiply
    25,815.64x = 35,625.94 × 15,060.20
  4. Step 4: Simplify right side
    25,815.64x = 536,533,781.59
  5. Step 5: Solve for x
    x = 536,533,781.59/25,815.64
  6. Step 6: Final answer
    x = 20,783.28

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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.