Home / 18,424.17-27,636.13-5,276.58

Finding the Fourth Proportional to 18,424.17, 27,636.13 and 5,276.58

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Solution

The fourth proportional to 18,424.17, 27,636.13 and 5,276.58 is: 7,914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.17 : 27,636.13 = 5,276.58 : x
  2. Step 2: Convert to fraction form
    18,424.17/27,636.13 = 5,276.58/x
  3. Step 3: Cross multiply
    18,424.17x = 27,636.13 × 5,276.58
  4. Step 4: Simplify right side
    18,424.17x = 145,824,224.45
  5. Step 5: Solve for x
    x = 145,824,224.45/18,424.17
  6. Step 6: Final answer
    x = 7,914.83

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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.