Home / 19,975.08-27,566.51-11,479.95

Finding the Fourth Proportional to 19,975.08, 27,566.51 and 11,479.95

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Solution

The fourth proportional to 19,975.08, 27,566.51 and 11,479.95 is: 15,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975.08 : 27,566.51 = 11,479.95 : x
  2. Step 2: Convert to fraction form
    19,975.08/27,566.51 = 11,479.95/x
  3. Step 3: Cross multiply
    19,975.08x = 27,566.51 × 11,479.95
  4. Step 4: Simplify right side
    19,975.08x = 316,462,156.47
  5. Step 5: Solve for x
    x = 316,462,156.47/19,975.08
  6. Step 6: Final answer
    x = 15,842.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.