Home / 19,350.25-26,705.87-11,393.21

Finding the Fourth Proportional to 19,350.25, 26,705.87 and 11,393.21

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Solution

The fourth proportional to 19,350.25, 26,705.87 and 11,393.21 is: 15,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,350.25 : 26,705.87 = 11,393.21 : x
  2. Step 2: Convert to fraction form
    19,350.25/26,705.87 = 11,393.21/x
  3. Step 3: Cross multiply
    19,350.25x = 26,705.87 × 11,393.21
  4. Step 4: Simplify right side
    19,350.25x = 304,265,528.18
  5. Step 5: Solve for x
    x = 304,265,528.18/19,350.25
  6. Step 6: Final answer
    x = 15,724.11

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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.