Home / 22,805.68-34,145.44-11,688.40

Finding the Fourth Proportional to 22,805.68, 34,145.44 and 11,688.40

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Solution

The fourth proportional to 22,805.68, 34,145.44 and 11,688.40 is: 17,500.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,805.68 : 34,145.44 = 11,688.40 : x
  2. Step 2: Convert to fraction form
    22,805.68/34,145.44 = 11,688.40/x
  3. Step 3: Cross multiply
    22,805.68x = 34,145.44 × 11,688.40
  4. Step 4: Simplify right side
    22,805.68x = 399,105,560.90
  5. Step 5: Solve for x
    x = 399,105,560.90/22,805.68
  6. Step 6: Final answer
    x = 17,500.27

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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.