Home / 18,306.26-25,262.62-9,922.76

Finding the Fourth Proportional to 18,306.26, 25,262.62 and 9,922.76

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Solution

The fourth proportional to 18,306.26, 25,262.62 and 9,922.76 is: 13,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306.26 : 25,262.62 = 9,922.76 : x
  2. Step 2: Convert to fraction form
    18,306.26/25,262.62 = 9,922.76/x
  3. Step 3: Cross multiply
    18,306.26x = 25,262.62 × 9,922.76
  4. Step 4: Simplify right side
    18,306.26x = 250,674,915.23
  5. Step 5: Solve for x
    x = 250,674,915.23/18,306.26
  6. Step 6: Final answer
    x = 13,693.40

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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.