Home / 19,253.64-28,887.62-11,772.55

Finding the Fourth Proportional to 19,253.64, 28,887.62 and 11,772.55

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Solution

The fourth proportional to 19,253.64, 28,887.62 and 11,772.55 is: 17,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253.64 : 28,887.62 = 11,772.55 : x
  2. Step 2: Convert to fraction form
    19,253.64/28,887.62 = 11,772.55/x
  3. Step 3: Cross multiply
    19,253.64x = 28,887.62 × 11,772.55
  4. Step 4: Simplify right side
    19,253.64x = 340,080,819.75
  5. Step 5: Solve for x
    x = 340,080,819.75/19,253.64
  6. Step 6: Final answer
    x = 17,663.20

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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.