Home / 27,663.42-38,174.37-15,088.17

Finding the Fourth Proportional to 27,663.42, 38,174.37 and 15,088.17

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Solution

The fourth proportional to 27,663.42, 38,174.37 and 15,088.17 is: 20,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,663.42 : 38,174.37 = 15,088.17 : x
  2. Step 2: Convert to fraction form
    27,663.42/38,174.37 = 15,088.17/x
  3. Step 3: Cross multiply
    27,663.42x = 38,174.37 × 15,088.17
  4. Step 4: Simplify right side
    27,663.42x = 575,981,384.20
  5. Step 5: Solve for x
    x = 575,981,384.20/27,663.42
  6. Step 6: Final answer
    x = 20,821.05

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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.