Home / 18,303.98-25,260.26-11,132.91

Finding the Fourth Proportional to 18,303.98, 25,260.26 and 11,132.91

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Solution

The fourth proportional to 18,303.98, 25,260.26 and 11,132.91 is: 15,363.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.98 : 25,260.26 = 11,132.91 : x
  2. Step 2: Convert to fraction form
    18,303.98/25,260.26 = 11,132.91/x
  3. Step 3: Cross multiply
    18,303.98x = 25,260.26 × 11,132.91
  4. Step 4: Simplify right side
    18,303.98x = 281,220,145.49
  5. Step 5: Solve for x
    x = 281,220,145.49/18,303.98
  6. Step 6: Final answer
    x = 15,363.88

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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.