Home / 25,618.13-38,433.67-7,150.13

Finding the Fourth Proportional to 25,618.13, 38,433.67 and 7,150.13

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Solution

The fourth proportional to 25,618.13, 38,433.67 and 7,150.13 is: 10,727.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.13 : 38,433.67 = 7,150.13 : x
  2. Step 2: Convert to fraction form
    25,618.13/38,433.67 = 7,150.13/x
  3. Step 3: Cross multiply
    25,618.13x = 38,433.67 × 7,150.13
  4. Step 4: Simplify right side
    25,618.13x = 274,805,736.88
  5. Step 5: Solve for x
    x = 274,805,736.88/25,618.13
  6. Step 6: Final answer
    x = 10,727.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.