Home / 19,289.28-26,614.56-11,330.88

Finding the Fourth Proportional to 19,289.28, 26,614.56 and 11,330.88

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Solution

The fourth proportional to 19,289.28, 26,614.56 and 11,330.88 is: 15,633.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.28 : 26,614.56 = 11,330.88 : x
  2. Step 2: Convert to fraction form
    19,289.28/26,614.56 = 11,330.88/x
  3. Step 3: Cross multiply
    19,289.28x = 26,614.56 × 11,330.88
  4. Step 4: Simplify right side
    19,289.28x = 301,566,385.61
  5. Step 5: Solve for x
    x = 301,566,385.61/19,289.28
  6. Step 6: Final answer
    x = 15,633.89

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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.