Home / 22,209.24-30,606.57-15,910.68

Finding the Fourth Proportional to 22,209.24, 30,606.57 and 15,910.68

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Solution

The fourth proportional to 22,209.24, 30,606.57 and 15,910.68 is: 21,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,209.24 : 30,606.57 = 15,910.68 : x
  2. Step 2: Convert to fraction form
    22,209.24/30,606.57 = 15,910.68/x
  3. Step 3: Cross multiply
    22,209.24x = 30,606.57 × 15,910.68
  4. Step 4: Simplify right side
    22,209.24x = 486,971,341.17
  5. Step 5: Solve for x
    x = 486,971,341.17/22,209.24
  6. Step 6: Final answer
    x = 21,926.52

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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.