Home / 22,006.48-30,369.72-15,733.84

Finding the Fourth Proportional to 22,006.48, 30,369.72 and 15,733.84

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Solution

The fourth proportional to 22,006.48, 30,369.72 and 15,733.84 is: 21,713.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,006.48 : 30,369.72 = 15,733.84 : x
  2. Step 2: Convert to fraction form
    22,006.48/30,369.72 = 15,733.84/x
  3. Step 3: Cross multiply
    22,006.48x = 30,369.72 × 15,733.84
  4. Step 4: Simplify right side
    22,006.48x = 477,832,315.32
  5. Step 5: Solve for x
    x = 477,832,315.32/22,006.48
  6. Step 6: Final answer
    x = 21,713.26

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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.