Home / 18,800.96-25,945.28-10,303.60

Finding the Fourth Proportional to 18,800.96, 25,945.28 and 10,303.60

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Solution

The fourth proportional to 18,800.96, 25,945.28 and 10,303.60 is: 14,218.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800.96 : 25,945.28 = 10,303.60 : x
  2. Step 2: Convert to fraction form
    18,800.96/25,945.28 = 10,303.60/x
  3. Step 3: Cross multiply
    18,800.96x = 25,945.28 × 10,303.60
  4. Step 4: Simplify right side
    18,800.96x = 267,329,787.01
  5. Step 5: Solve for x
    x = 267,329,787.01/18,800.96
  6. Step 6: Final answer
    x = 14,218.94

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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.