Home / 27,696.12-38,252.51-20,176.08

Finding the Fourth Proportional to 27,696.12, 38,252.51 and 20,176.08

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Solution

The fourth proportional to 27,696.12, 38,252.51 and 20,176.08 is: 27,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,696.12 : 38,252.51 = 20,176.08 : x
  2. Step 2: Convert to fraction form
    27,696.12/38,252.51 = 20,176.08/x
  3. Step 3: Cross multiply
    27,696.12x = 38,252.51 × 20,176.08
  4. Step 4: Simplify right side
    27,696.12x = 771,785,701.96
  5. Step 5: Solve for x
    x = 771,785,701.96/27,696.12
  6. Step 6: Final answer
    x = 27,866.20

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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.