Home / 18,291.20-25,242.66-10,333.49

Finding the Fourth Proportional to 18,291.20, 25,242.66 and 10,333.49

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Solution

The fourth proportional to 18,291.20, 25,242.66 and 10,333.49 is: 14,260.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.20 : 25,242.66 = 10,333.49 : x
  2. Step 2: Convert to fraction form
    18,291.20/25,242.66 = 10,333.49/x
  3. Step 3: Cross multiply
    18,291.20x = 25,242.66 × 10,333.49
  4. Step 4: Simplify right side
    18,291.20x = 260,844,648.47
  5. Step 5: Solve for x
    x = 260,844,648.47/18,291.20
  6. Step 6: Final answer
    x = 14,260.67

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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.