Home / 18,316.50-27,454.57-11,983.77

Finding the Fourth Proportional to 18,316.50, 27,454.57 and 11,983.77

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Solution

The fourth proportional to 18,316.50, 27,454.57 and 11,983.77 is: 17,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.50 : 27,454.57 = 11,983.77 : x
  2. Step 2: Convert to fraction form
    18,316.50/27,454.57 = 11,983.77/x
  3. Step 3: Cross multiply
    18,316.50x = 27,454.57 × 11,983.77
  4. Step 4: Simplify right side
    18,316.50x = 329,009,252.33
  5. Step 5: Solve for x
    x = 329,009,252.33/18,316.50
  6. Step 6: Final answer
    x = 17,962.45

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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.