Home / 18,463.42-25,479.49-10,079.92

Finding the Fourth Proportional to 18,463.42, 25,479.49 and 10,079.92

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Solution

The fourth proportional to 18,463.42, 25,479.49 and 10,079.92 is: 13,910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463.42 : 25,479.49 = 10,079.92 : x
  2. Step 2: Convert to fraction form
    18,463.42/25,479.49 = 10,079.92/x
  3. Step 3: Cross multiply
    18,463.42x = 25,479.49 × 10,079.92
  4. Step 4: Simplify right side
    18,463.42x = 256,831,220.84
  5. Step 5: Solve for x
    x = 256,831,220.84/18,463.42
  6. Step 6: Final answer
    x = 13,910.27

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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.