Home / 18,415.24-27,618.88-5,264.08

Finding the Fourth Proportional to 18,415.24, 27,618.88 and 5,264.08

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Solution

The fourth proportional to 18,415.24, 27,618.88 and 5,264.08 is: 7,894.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,415.24 : 27,618.88 = 5,264.08 : x
  2. Step 2: Convert to fraction form
    18,415.24/27,618.88 = 5,264.08/x
  3. Step 3: Cross multiply
    18,415.24x = 27,618.88 × 5,264.08
  4. Step 4: Simplify right side
    18,415.24x = 145,387,993.83
  5. Step 5: Solve for x
    x = 145,387,993.83/18,415.24
  6. Step 6: Final answer
    x = 7,894.98

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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.