Home / 22,012.90-30,394.45-13,526.73

Finding the Fourth Proportional to 22,012.90, 30,394.45 and 13,526.73

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Solution

The fourth proportional to 22,012.90, 30,394.45 and 13,526.73 is: 18,677.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.90 : 30,394.45 = 13,526.73 : x
  2. Step 2: Convert to fraction form
    22,012.90/30,394.45 = 13,526.73/x
  3. Step 3: Cross multiply
    22,012.90x = 30,394.45 × 13,526.73
  4. Step 4: Simplify right side
    22,012.90x = 411,137,518.65
  5. Step 5: Solve for x
    x = 411,137,518.65/22,012.90
  6. Step 6: Final answer
    x = 18,677.12

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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.