Home / 22,114.60-30,518.10-12,042.88

Finding the Fourth Proportional to 22,114.60, 30,518.10 and 12,042.88

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Solution

The fourth proportional to 22,114.60, 30,518.10 and 12,042.88 is: 16,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,114.60 : 30,518.10 = 12,042.88 : x
  2. Step 2: Convert to fraction form
    22,114.60/30,518.10 = 12,042.88/x
  3. Step 3: Cross multiply
    22,114.60x = 30,518.10 × 12,042.88
  4. Step 4: Simplify right side
    22,114.60x = 367,525,816.13
  5. Step 5: Solve for x
    x = 367,525,816.13/22,114.60
  6. Step 6: Final answer
    x = 16,619.15

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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.