Home / 22,205.28-30,666.24-19,206.72

Finding the Fourth Proportional to 22,205.28, 30,666.24 and 19,206.72

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Solution

The fourth proportional to 22,205.28, 30,666.24 and 19,206.72 is: 26,525.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,205.28 : 30,666.24 = 19,206.72 : x
  2. Step 2: Convert to fraction form
    22,205.28/30,666.24 = 19,206.72/x
  3. Step 3: Cross multiply
    22,205.28x = 30,666.24 × 19,206.72
  4. Step 4: Simplify right side
    22,205.28x = 588,997,885.13
  5. Step 5: Solve for x
    x = 588,997,885.13/22,205.28
  6. Step 6: Final answer
    x = 26,525.13

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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.