Home / 27,154.71-37,438.47-17,577.63

Finding the Fourth Proportional to 27,154.71, 37,438.47 and 17,577.63

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Solution

The fourth proportional to 27,154.71, 37,438.47 and 17,577.63 is: 24,234.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,154.71 : 37,438.47 = 17,577.63 : x
  2. Step 2: Convert to fraction form
    27,154.71/37,438.47 = 17,577.63/x
  3. Step 3: Cross multiply
    27,154.71x = 37,438.47 × 17,577.63
  4. Step 4: Simplify right side
    27,154.71x = 658,079,573.43
  5. Step 5: Solve for x
    x = 658,079,573.43/27,154.71
  6. Step 6: Final answer
    x = 24,234.45

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Half scale
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Double scale
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Similar ratio
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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.