Home / 18,147.42-25,041.69-10,192.68

Finding the Fourth Proportional to 18,147.42, 25,041.69 and 10,192.68

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Solution

The fourth proportional to 18,147.42, 25,041.69 and 10,192.68 is: 14,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.42 : 25,041.69 = 10,192.68 : x
  2. Step 2: Convert to fraction form
    18,147.42/25,041.69 = 10,192.68/x
  3. Step 3: Cross multiply
    18,147.42x = 25,041.69 × 10,192.68
  4. Step 4: Simplify right side
    18,147.42x = 255,241,932.83
  5. Step 5: Solve for x
    x = 255,241,932.83/18,147.42
  6. Step 6: Final answer
    x = 14,064.92

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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.