Home / 22,281.13-30,747.96-13,329.01

Finding the Fourth Proportional to 22,281.13, 30,747.96 and 13,329.01

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Solution

The fourth proportional to 22,281.13, 30,747.96 and 13,329.01 is: 18,394.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,281.13 : 30,747.96 = 13,329.01 : x
  2. Step 2: Convert to fraction form
    22,281.13/30,747.96 = 13,329.01/x
  3. Step 3: Cross multiply
    22,281.13x = 30,747.96 × 13,329.01
  4. Step 4: Simplify right side
    22,281.13x = 409,839,645.93
  5. Step 5: Solve for x
    x = 409,839,645.93/22,281.13
  6. Step 6: Final answer
    x = 18,394.03

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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.