Home / 25,343.16-38,017.62-7,817.40

Finding the Fourth Proportional to 25,343.16, 38,017.62 and 7,817.40

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Solution

The fourth proportional to 25,343.16, 38,017.62 and 7,817.40 is: 11,726.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,343.16 : 38,017.62 = 7,817.40 : x
  2. Step 2: Convert to fraction form
    25,343.16/38,017.62 = 7,817.40/x
  3. Step 3: Cross multiply
    25,343.16x = 38,017.62 × 7,817.40
  4. Step 4: Simplify right side
    25,343.16x = 297,198,942.59
  5. Step 5: Solve for x
    x = 297,198,942.59/25,343.16
  6. Step 6: Final answer
    x = 11,726.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.