Home / 17,979.15-26,968.58-5,499.13

Finding the Fourth Proportional to 17,979.15, 26,968.58 and 5,499.13

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Solution

The fourth proportional to 17,979.15, 26,968.58 and 5,499.13 is: 8,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.15 : 26,968.58 = 5,499.13 : x
  2. Step 2: Convert to fraction form
    17,979.15/26,968.58 = 5,499.13/x
  3. Step 3: Cross multiply
    17,979.15x = 26,968.58 × 5,499.13
  4. Step 4: Simplify right side
    17,979.15x = 148,303,727.34
  5. Step 5: Solve for x
    x = 148,303,727.34/17,979.15
  6. Step 6: Final answer
    x = 8,248.65

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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.