Home / 18,242.45-25,174.59-9,858.95

Finding the Fourth Proportional to 18,242.45, 25,174.59 and 9,858.95

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Solution

The fourth proportional to 18,242.45, 25,174.59 and 9,858.95 is: 13,605.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242.45 : 25,174.59 = 9,858.95 : x
  2. Step 2: Convert to fraction form
    18,242.45/25,174.59 = 9,858.95/x
  3. Step 3: Cross multiply
    18,242.45x = 25,174.59 × 9,858.95
  4. Step 4: Simplify right side
    18,242.45x = 248,195,024.08
  5. Step 5: Solve for x
    x = 248,195,024.08/18,242.45
  6. Step 6: Final answer
    x = 13,605.36

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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.