Home / 22,232.10-30,680.79-13,277.92

Finding the Fourth Proportional to 22,232.10, 30,680.79 and 13,277.92

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Solution

The fourth proportional to 22,232.10, 30,680.79 and 13,277.92 is: 18,323.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,232.10 : 30,680.79 = 13,277.92 : x
  2. Step 2: Convert to fraction form
    22,232.10/30,680.79 = 13,277.92/x
  3. Step 3: Cross multiply
    22,232.10x = 30,680.79 × 13,277.92
  4. Step 4: Simplify right side
    22,232.10x = 407,377,075.16
  5. Step 5: Solve for x
    x = 407,377,075.16/22,232.10
  6. Step 6: Final answer
    x = 18,323.82

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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.