Home / 25,855.20-38,731.86-14,728.32

Finding the Fourth Proportional to 25,855.20, 38,731.86 and 14,728.32

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Solution

The fourth proportional to 25,855.20, 38,731.86 and 14,728.32 is: 22,063.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,855.20 : 38,731.86 = 14,728.32 : x
  2. Step 2: Convert to fraction form
    25,855.20/38,731.86 = 14,728.32/x
  3. Step 3: Cross multiply
    25,855.20x = 38,731.86 × 14,728.32
  4. Step 4: Simplify right side
    25,855.20x = 570,455,228.28
  5. Step 5: Solve for x
    x = 570,455,228.28/25,855.20
  6. Step 6: Final answer
    x = 22,063.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.