Home / 26,521.16-39,753.84-20,267.60

Finding the Fourth Proportional to 26,521.16, 39,753.84 and 20,267.60

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Solution

The fourth proportional to 26,521.16, 39,753.84 and 20,267.60 is: 30,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,521.16 : 39,753.84 = 20,267.60 : x
  2. Step 2: Convert to fraction form
    26,521.16/39,753.84 = 20,267.60/x
  3. Step 3: Cross multiply
    26,521.16x = 39,753.84 × 20,267.60
  4. Step 4: Simplify right side
    26,521.16x = 805,714,927.58
  5. Step 5: Solve for x
    x = 805,714,927.58/26,521.16
  6. Step 6: Final answer
    x = 30,380.08

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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.