Home / 22,225.96-30,666.09-13,269.52

Finding the Fourth Proportional to 22,225.96, 30,666.09 and 13,269.52

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Solution

The fourth proportional to 22,225.96, 30,666.09 and 13,269.52 is: 18,308.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,225.96 : 30,666.09 = 13,269.52 : x
  2. Step 2: Convert to fraction form
    22,225.96/30,666.09 = 13,269.52/x
  3. Step 3: Cross multiply
    22,225.96x = 30,666.09 × 13,269.52
  4. Step 4: Simplify right side
    22,225.96x = 406,924,294.58
  5. Step 5: Solve for x
    x = 406,924,294.58/22,225.96
  6. Step 6: Final answer
    x = 18,308.51

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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.