Home / 13,933.95-20,895.12-5,164.08

Finding the Fourth Proportional to 13,933.95, 20,895.12 and 5,164.08

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Solution

The fourth proportional to 13,933.95, 20,895.12 and 5,164.08 is: 7,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.95 : 20,895.12 = 5,164.08 : x
  2. Step 2: Convert to fraction form
    13,933.95/20,895.12 = 5,164.08/x
  3. Step 3: Cross multiply
    13,933.95x = 20,895.12 × 5,164.08
  4. Step 4: Simplify right side
    13,933.95x = 107,904,071.29
  5. Step 5: Solve for x
    x = 107,904,071.29/13,933.95
  6. Step 6: Final answer
    x = 7,743.97

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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.