Home / 27,071.27-37,359.51-15,134.60

Finding the Fourth Proportional to 27,071.27, 37,359.51 and 15,134.60

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Solution

The fourth proportional to 27,071.27, 37,359.51 and 15,134.60 is: 20,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,071.27 : 37,359.51 = 15,134.60 : x
  2. Step 2: Convert to fraction form
    27,071.27/37,359.51 = 15,134.60/x
  3. Step 3: Cross multiply
    27,071.27x = 37,359.51 × 15,134.60
  4. Step 4: Simplify right side
    27,071.27x = 565,421,240.05
  5. Step 5: Solve for x
    x = 565,421,240.05/27,071.27
  6. Step 6: Final answer
    x = 20,886.40

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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.