Home / 22,660.56-31,269.19-13,098.94

Finding the Fourth Proportional to 22,660.56, 31,269.19 and 13,098.94

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Solution

The fourth proportional to 22,660.56, 31,269.19 and 13,098.94 is: 18,075.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660.56 : 31,269.19 = 13,098.94 : x
  2. Step 2: Convert to fraction form
    22,660.56/31,269.19 = 13,098.94/x
  3. Step 3: Cross multiply
    22,660.56x = 31,269.19 × 13,098.94
  4. Step 4: Simplify right side
    22,660.56x = 409,593,245.24
  5. Step 5: Solve for x
    x = 409,593,245.24/22,660.56
  6. Step 6: Final answer
    x = 18,075.16

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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.