Home / 19,049.60-26,289.28-10,665.92

Finding the Fourth Proportional to 19,049.60, 26,289.28 and 10,665.92

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Solution

The fourth proportional to 19,049.60, 26,289.28 and 10,665.92 is: 14,719.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,049.60 : 26,289.28 = 10,665.92 : x
  2. Step 2: Convert to fraction form
    19,049.60/26,289.28 = 10,665.92/x
  3. Step 3: Cross multiply
    19,049.60x = 26,289.28 × 10,665.92
  4. Step 4: Simplify right side
    19,049.60x = 280,399,357.34
  5. Step 5: Solve for x
    x = 280,399,357.34/19,049.60
  6. Step 6: Final answer
    x = 14,719.44

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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.