Home / 27,520.73-37,994.35-18,116.63

Finding the Fourth Proportional to 27,520.73, 37,994.35 and 18,116.63

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Solution

The fourth proportional to 27,520.73, 37,994.35 and 18,116.63 is: 25,011.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,520.73 : 37,994.35 = 18,116.63 : x
  2. Step 2: Convert to fraction form
    27,520.73/37,994.35 = 18,116.63/x
  3. Step 3: Cross multiply
    27,520.73x = 37,994.35 × 18,116.63
  4. Step 4: Simplify right side
    27,520.73x = 688,329,345.78
  5. Step 5: Solve for x
    x = 688,329,345.78/27,520.73
  6. Step 6: Final answer
    x = 25,011.31

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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.