Home / 19,763.32-27,272.22-11,589.40

Finding the Fourth Proportional to 19,763.32, 27,272.22 and 11,589.40

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Solution

The fourth proportional to 19,763.32, 27,272.22 and 11,589.40 is: 15,992.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.32 : 27,272.22 = 11,589.40 : x
  2. Step 2: Convert to fraction form
    19,763.32/27,272.22 = 11,589.40/x
  3. Step 3: Cross multiply
    19,763.32x = 27,272.22 × 11,589.40
  4. Step 4: Simplify right side
    19,763.32x = 316,068,666.47
  5. Step 5: Solve for x
    x = 316,068,666.47/19,763.32
  6. Step 6: Final answer
    x = 15,992.69

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1.5x scale

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.