Home / 18,521.06-27,776.65-5,193.26

Finding the Fourth Proportional to 18,521.06, 27,776.65 and 5,193.26

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Solution

The fourth proportional to 18,521.06, 27,776.65 and 5,193.26 is: 7,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.06 : 27,776.65 = 5,193.26 : x
  2. Step 2: Convert to fraction form
    18,521.06/27,776.65 = 5,193.26/x
  3. Step 3: Cross multiply
    18,521.06x = 27,776.65 × 5,193.26
  4. Step 4: Simplify right side
    18,521.06x = 144,251,365.38
  5. Step 5: Solve for x
    x = 144,251,365.38/18,521.06
  6. Step 6: Final answer
    x = 7,788.50

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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.