Home / 18,133.86-25,026.54-12,177.93

Finding the Fourth Proportional to 18,133.86, 25,026.54 and 12,177.93

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Solution

The fourth proportional to 18,133.86, 25,026.54 and 12,177.93 is: 16,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.86 : 25,026.54 = 12,177.93 : x
  2. Step 2: Convert to fraction form
    18,133.86/25,026.54 = 12,177.93/x
  3. Step 3: Cross multiply
    18,133.86x = 25,026.54 × 12,177.93
  4. Step 4: Simplify right side
    18,133.86x = 304,771,452.26
  5. Step 5: Solve for x
    x = 304,771,452.26/18,133.86
  6. Step 6: Final answer
    x = 16,806.76

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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.