Home / 19,329.18-26,727.96-15,343.38

Finding the Fourth Proportional to 19,329.18, 26,727.96 and 15,343.38

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Solution

The fourth proportional to 19,329.18, 26,727.96 and 15,343.38 is: 21,216.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.18 : 26,727.96 = 15,343.38 : x
  2. Step 2: Convert to fraction form
    19,329.18/26,727.96 = 15,343.38/x
  3. Step 3: Cross multiply
    19,329.18x = 26,727.96 × 15,343.38
  4. Step 4: Simplify right side
    19,329.18x = 410,097,246.90
  5. Step 5: Solve for x
    x = 410,097,246.90/19,329.18
  6. Step 6: Final answer
    x = 21,216.48

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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.