Home / 27,320.84-40,967.55-13,272.06

Finding the Fourth Proportional to 27,320.84, 40,967.55 and 13,272.06

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Solution

The fourth proportional to 27,320.84, 40,967.55 and 13,272.06 is: 19,901.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.84 : 40,967.55 = 13,272.06 : x
  2. Step 2: Convert to fraction form
    27,320.84/40,967.55 = 13,272.06/x
  3. Step 3: Cross multiply
    27,320.84x = 40,967.55 × 13,272.06
  4. Step 4: Simplify right side
    27,320.84x = 543,723,781.65
  5. Step 5: Solve for x
    x = 543,723,781.65/27,320.84
  6. Step 6: Final answer
    x = 19,901.43

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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.