Home / 27,670.72-38,186.20-15,095.46

Finding the Fourth Proportional to 27,670.72, 38,186.20 and 15,095.46

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Solution

The fourth proportional to 27,670.72, 38,186.20 and 15,095.46 is: 20,832.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,670.72 : 38,186.20 = 15,095.46 : x
  2. Step 2: Convert to fraction form
    27,670.72/38,186.20 = 15,095.46/x
  3. Step 3: Cross multiply
    27,670.72x = 38,186.20 × 15,095.46
  4. Step 4: Simplify right side
    27,670.72x = 576,438,254.65
  5. Step 5: Solve for x
    x = 576,438,254.65/27,670.72
  6. Step 6: Final answer
    x = 20,832.07

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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.