Home / 22,207.65-30,646.94-13,253.42

Finding the Fourth Proportional to 22,207.65, 30,646.94 and 13,253.42

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Solution

The fourth proportional to 22,207.65, 30,646.94 and 13,253.42 is: 18,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.65 : 30,646.94 = 13,253.42 : x
  2. Step 2: Convert to fraction form
    22,207.65/30,646.94 = 13,253.42/x
  3. Step 3: Cross multiply
    22,207.65x = 30,646.94 × 13,253.42
  4. Step 4: Simplify right side
    22,207.65x = 406,176,548.03
  5. Step 5: Solve for x
    x = 406,176,548.03/22,207.65
  6. Step 6: Final answer
    x = 18,289.94

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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.