Home / 18,309.90-25,267.82-10,754.72

Finding the Fourth Proportional to 18,309.90, 25,267.82 and 10,754.72

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Solution

The fourth proportional to 18,309.90, 25,267.82 and 10,754.72 is: 14,841.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.90 : 25,267.82 = 10,754.72 : x
  2. Step 2: Convert to fraction form
    18,309.90/25,267.82 = 10,754.72/x
  3. Step 3: Cross multiply
    18,309.90x = 25,267.82 × 10,754.72
  4. Step 4: Simplify right side
    18,309.90x = 271,748,476.63
  5. Step 5: Solve for x
    x = 271,748,476.63/18,309.90
  6. Step 6: Final answer
    x = 14,841.62

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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.