Home / 12,251.60-18,355.80-10,048.40

Finding the Fourth Proportional to 12,251.60, 18,355.80 and 10,048.40

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Solution

The fourth proportional to 12,251.60, 18,355.80 and 10,048.40 is: 15,054.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.60 : 18,355.80 = 10,048.40 : x
  2. Step 2: Convert to fraction form
    12,251.60/18,355.80 = 10,048.40/x
  3. Step 3: Cross multiply
    12,251.60x = 18,355.80 × 10,048.40
  4. Step 4: Simplify right side
    12,251.60x = 184,446,420.72
  5. Step 5: Solve for x
    x = 184,446,420.72/12,251.60
  6. Step 6: Final answer
    x = 15,054.88

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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.