Home / 22,148.10-30,567.11-12,716.46

Finding the Fourth Proportional to 22,148.10, 30,567.11 and 12,716.46

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Solution

The fourth proportional to 22,148.10, 30,567.11 and 12,716.46 is: 17,550.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,148.10 : 30,567.11 = 12,716.46 : x
  2. Step 2: Convert to fraction form
    22,148.10/30,567.11 = 12,716.46/x
  3. Step 3: Cross multiply
    22,148.10x = 30,567.11 × 12,716.46
  4. Step 4: Simplify right side
    22,148.10x = 388,705,368.05
  5. Step 5: Solve for x
    x = 388,705,368.05/22,148.10
  6. Step 6: Final answer
    x = 17,550.28

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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.