Home / 22,351.14-30,851.01-13,855.86

Finding the Fourth Proportional to 22,351.14, 30,851.01 and 13,855.86

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Solution

The fourth proportional to 22,351.14, 30,851.01 and 13,855.86 is: 19,125.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,351.14 : 30,851.01 = 13,855.86 : x
  2. Step 2: Convert to fraction form
    22,351.14/30,851.01 = 13,855.86/x
  3. Step 3: Cross multiply
    22,351.14x = 30,851.01 × 13,855.86
  4. Step 4: Simplify right side
    22,351.14x = 427,467,275.42
  5. Step 5: Solve for x
    x = 427,467,275.42/22,351.14
  6. Step 6: Final answer
    x = 19,125.08

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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.