Home / 19,200.18-26,496.81-11,241.66

Finding the Fourth Proportional to 19,200.18, 26,496.81 and 11,241.66

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Solution

The fourth proportional to 19,200.18, 26,496.81 and 11,241.66 is: 15,513.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.18 : 26,496.81 = 11,241.66 : x
  2. Step 2: Convert to fraction form
    19,200.18/26,496.81 = 11,241.66/x
  3. Step 3: Cross multiply
    19,200.18x = 26,496.81 × 11,241.66
  4. Step 4: Simplify right side
    19,200.18x = 297,868,129.10
  5. Step 5: Solve for x
    x = 297,868,129.10/19,200.18
  6. Step 6: Final answer
    x = 15,513.82

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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.