Home / 22,127.36-30,535.77-12,191.36

Finding the Fourth Proportional to 22,127.36, 30,535.77 and 12,191.36

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Solution

The fourth proportional to 22,127.36, 30,535.77 and 12,191.36 is: 16,824.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,127.36 : 30,535.77 = 12,191.36 : x
  2. Step 2: Convert to fraction form
    22,127.36/30,535.77 = 12,191.36/x
  3. Step 3: Cross multiply
    22,127.36x = 30,535.77 × 12,191.36
  4. Step 4: Simplify right side
    22,127.36x = 372,272,564.95
  5. Step 5: Solve for x
    x = 372,272,564.95/22,127.36
  6. Step 6: Final answer
    x = 16,824.08

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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.