Home / 27,870.96-41,780.52-9,398.64

Finding the Fourth Proportional to 27,870.96, 41,780.52 and 9,398.64

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Solution

The fourth proportional to 27,870.96, 41,780.52 and 9,398.64 is: 14,089.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,870.96 : 41,780.52 = 9,398.64 : x
  2. Step 2: Convert to fraction form
    27,870.96/41,780.52 = 9,398.64/x
  3. Step 3: Cross multiply
    27,870.96x = 41,780.52 × 9,398.64
  4. Step 4: Simplify right side
    27,870.96x = 392,680,066.49
  5. Step 5: Solve for x
    x = 392,680,066.49/27,870.96
  6. Step 6: Final answer
    x = 14,089.22

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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.