Home / 18,996.17-28,476.84-7,300.58

Finding the Fourth Proportional to 18,996.17, 28,476.84 and 7,300.58

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Solution

The fourth proportional to 18,996.17, 28,476.84 and 7,300.58 is: 10,944.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,996.17 : 28,476.84 = 7,300.58 : x
  2. Step 2: Convert to fraction form
    18,996.17/28,476.84 = 7,300.58/x
  3. Step 3: Cross multiply
    18,996.17x = 28,476.84 × 7,300.58
  4. Step 4: Simplify right side
    18,996.17x = 207,897,519.76
  5. Step 5: Solve for x
    x = 207,897,519.76/18,996.17
  6. Step 6: Final answer
    x = 10,944.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.