Home / 27,056.71-37,338.15-15,120.04

Finding the Fourth Proportional to 27,056.71, 37,338.15 and 15,120.04

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Solution

The fourth proportional to 27,056.71, 37,338.15 and 15,120.04 is: 20,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,056.71 : 37,338.15 = 15,120.04 : x
  2. Step 2: Convert to fraction form
    27,056.71/37,338.15 = 15,120.04/x
  3. Step 3: Cross multiply
    27,056.71x = 37,338.15 × 15,120.04
  4. Step 4: Simplify right side
    27,056.71x = 564,554,452.38
  5. Step 5: Solve for x
    x = 564,554,452.38/27,056.71
  6. Step 6: Final answer
    x = 20,865.60

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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.