Home / 22,122.99-30,559.68-17,677.91

Finding the Fourth Proportional to 22,122.99, 30,559.68 and 17,677.91

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Solution

The fourth proportional to 22,122.99, 30,559.68 and 17,677.91 is: 24,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.99 : 30,559.68 = 17,677.91 : x
  2. Step 2: Convert to fraction form
    22,122.99/30,559.68 = 17,677.91/x
  3. Step 3: Cross multiply
    22,122.99x = 30,559.68 × 17,677.91
  4. Step 4: Simplify right side
    22,122.99x = 540,231,349.07
  5. Step 5: Solve for x
    x = 540,231,349.07/22,122.99
  6. Step 6: Final answer
    x = 24,419.45

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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.