Home / 27,635.16-38,142.66-17,561.63

Finding the Fourth Proportional to 27,635.16, 38,142.66 and 17,561.63

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Solution

The fourth proportional to 27,635.16, 38,142.66 and 17,561.63 is: 24,238.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,635.16 : 38,142.66 = 17,561.63 : x
  2. Step 2: Convert to fraction form
    27,635.16/38,142.66 = 17,561.63/x
  3. Step 3: Cross multiply
    27,635.16x = 38,142.66 × 17,561.63
  4. Step 4: Simplify right side
    27,635.16x = 669,847,091.42
  5. Step 5: Solve for x
    x = 669,847,091.42/27,635.16
  6. Step 6: Final answer
    x = 24,238.94

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Half scale
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Double scale
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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.