Home / 27,060.42-37,340.88-15,122.10

Finding the Fourth Proportional to 27,060.42, 37,340.88 and 15,122.10

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Solution

The fourth proportional to 27,060.42, 37,340.88 and 15,122.10 is: 20,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,060.42 : 37,340.88 = 15,122.10 : x
  2. Step 2: Convert to fraction form
    27,060.42/37,340.88 = 15,122.10/x
  3. Step 3: Cross multiply
    27,060.42x = 37,340.88 × 15,122.10
  4. Step 4: Simplify right side
    27,060.42x = 564,672,521.45
  5. Step 5: Solve for x
    x = 564,672,521.45/27,060.42
  6. Step 6: Final answer
    x = 20,867.10

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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.