Home / 18,747.60-25,869.64-10,362.48

Finding the Fourth Proportional to 18,747.60, 25,869.64 and 10,362.48

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Solution

The fourth proportional to 18,747.60, 25,869.64 and 10,362.48 is: 14,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.60 : 25,869.64 = 10,362.48 : x
  2. Step 2: Convert to fraction form
    18,747.60/25,869.64 = 10,362.48/x
  3. Step 3: Cross multiply
    18,747.60x = 25,869.64 × 10,362.48
  4. Step 4: Simplify right side
    18,747.60x = 268,073,627.11
  5. Step 5: Solve for x
    x = 268,073,627.11/18,747.60
  6. Step 6: Final answer
    x = 14,299.09

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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.