Home / 25,764.04-38,607.18-20,204.20

Finding the Fourth Proportional to 25,764.04, 38,607.18 and 20,204.20

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Solution

The fourth proportional to 25,764.04, 38,607.18 and 20,204.20 is: 30,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,764.04 : 38,607.18 = 20,204.20 : x
  2. Step 2: Convert to fraction form
    25,764.04/38,607.18 = 20,204.20/x
  3. Step 3: Cross multiply
    25,764.04x = 38,607.18 × 20,204.20
  4. Step 4: Simplify right side
    25,764.04x = 780,027,186.16
  5. Step 5: Solve for x
    x = 780,027,186.16/25,764.04
  6. Step 6: Final answer
    x = 30,275.81

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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.