Home / 14,660.19-21,990.29-12,055.23

Finding the Fourth Proportional to 14,660.19, 21,990.29 and 12,055.23

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Solution

The fourth proportional to 14,660.19, 21,990.29 and 12,055.23 is: 18,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.19 : 21,990.29 = 12,055.23 : x
  2. Step 2: Convert to fraction form
    14,660.19/21,990.29 = 12,055.23/x
  3. Step 3: Cross multiply
    14,660.19x = 21,990.29 × 12,055.23
  4. Step 4: Simplify right side
    14,660.19x = 265,097,943.44
  5. Step 5: Solve for x
    x = 265,097,943.44/14,660.19
  6. Step 6: Final answer
    x = 18,082.85

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.