Home / 18,250.62-25,185.75-9,866.94

Finding the Fourth Proportional to 18,250.62, 25,185.75 and 9,866.94

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Solution

The fourth proportional to 18,250.62, 25,185.75 and 9,866.94 is: 13,616.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.62 : 25,185.75 = 9,866.94 : x
  2. Step 2: Convert to fraction form
    18,250.62/25,185.75 = 9,866.94/x
  3. Step 3: Cross multiply
    18,250.62x = 25,185.75 × 9,866.94
  4. Step 4: Simplify right side
    18,250.62x = 248,506,284.11
  5. Step 5: Solve for x
    x = 248,506,284.11/18,250.62
  6. Step 6: Final answer
    x = 13,616.32

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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.