Home / 22,035.18-30,412.26-21,306.18

Finding the Fourth Proportional to 22,035.18, 30,412.26 and 21,306.18

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Solution

The fourth proportional to 22,035.18, 30,412.26 and 21,306.18 is: 29,406.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,035.18 : 30,412.26 = 21,306.18 : x
  2. Step 2: Convert to fraction form
    22,035.18/30,412.26 = 21,306.18/x
  3. Step 3: Cross multiply
    22,035.18x = 30,412.26 × 21,306.18
  4. Step 4: Simplify right side
    22,035.18x = 647,969,085.77
  5. Step 5: Solve for x
    x = 647,969,085.77/22,035.18
  6. Step 6: Final answer
    x = 29,406.12

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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.