Home / 18,318.19-27,476.98-5,838.05

Finding the Fourth Proportional to 18,318.19, 27,476.98 and 5,838.05

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Solution

The fourth proportional to 18,318.19, 27,476.98 and 5,838.05 is: 8,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.19 : 27,476.98 = 5,838.05 : x
  2. Step 2: Convert to fraction form
    18,318.19/27,476.98 = 5,838.05/x
  3. Step 3: Cross multiply
    18,318.19x = 27,476.98 × 5,838.05
  4. Step 4: Simplify right side
    18,318.19x = 160,411,983.09
  5. Step 5: Solve for x
    x = 160,411,983.09/18,318.19
  6. Step 6: Final answer
    x = 8,756.98

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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.