Home / 27,507.98-41,268.04-9,979.18

Finding the Fourth Proportional to 27,507.98, 41,268.04 and 9,979.18

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Solution

The fourth proportional to 27,507.98, 41,268.04 and 9,979.18 is: 14,970.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,507.98 : 41,268.04 = 9,979.18 : x
  2. Step 2: Convert to fraction form
    27,507.98/41,268.04 = 9,979.18/x
  3. Step 3: Cross multiply
    27,507.98x = 41,268.04 × 9,979.18
  4. Step 4: Simplify right side
    27,507.98x = 411,821,199.41
  5. Step 5: Solve for x
    x = 411,821,199.41/27,507.98
  6. Step 6: Final answer
    x = 14,970.97

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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.