Home / 18,331.04-27,497.80-6,644.40

Finding the Fourth Proportional to 18,331.04, 27,497.80 and 6,644.40

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Solution

The fourth proportional to 18,331.04, 27,497.80 and 6,644.40 is: 9,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.04 : 27,497.80 = 6,644.40 : x
  2. Step 2: Convert to fraction form
    18,331.04/27,497.80 = 6,644.40/x
  3. Step 3: Cross multiply
    18,331.04x = 27,497.80 × 6,644.40
  4. Step 4: Simplify right side
    18,331.04x = 182,706,382.32
  5. Step 5: Solve for x
    x = 182,706,382.32/18,331.04
  6. Step 6: Final answer
    x = 9,967.05

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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.