Home / 18,239.17-25,170.02-9,855.67

Finding the Fourth Proportional to 18,239.17, 25,170.02 and 9,855.67

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Solution

The fourth proportional to 18,239.17, 25,170.02 and 9,855.67 is: 13,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.17 : 25,170.02 = 9,855.67 : x
  2. Step 2: Convert to fraction form
    18,239.17/25,170.02 = 9,855.67/x
  3. Step 3: Cross multiply
    18,239.17x = 25,170.02 × 9,855.67
  4. Step 4: Simplify right side
    18,239.17x = 248,067,361.74
  5. Step 5: Solve for x
    x = 248,067,361.74/18,239.17
  6. Step 6: Final answer
    x = 13,600.80

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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.