Home / 22,112.12-30,491.80-17,077.16

Finding the Fourth Proportional to 22,112.12, 30,491.80 and 17,077.16

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Solution

The fourth proportional to 22,112.12, 30,491.80 and 17,077.16 is: 23,548.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,112.12 : 30,491.80 = 17,077.16 : x
  2. Step 2: Convert to fraction form
    22,112.12/30,491.80 = 17,077.16/x
  3. Step 3: Cross multiply
    22,112.12x = 30,491.80 × 17,077.16
  4. Step 4: Simplify right side
    22,112.12x = 520,713,347.29
  5. Step 5: Solve for x
    x = 520,713,347.29/22,112.12
  6. Step 6: Final answer
    x = 23,548.78

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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.