Home / 19,243.40-26,561.94-11,288.84

Finding the Fourth Proportional to 19,243.40, 26,561.94 and 11,288.84

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Solution

The fourth proportional to 19,243.40, 26,561.94 and 11,288.84 is: 15,582.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,243.40 : 26,561.94 = 11,288.84 : x
  2. Step 2: Convert to fraction form
    19,243.40/26,561.94 = 11,288.84/x
  3. Step 3: Cross multiply
    19,243.40x = 26,561.94 × 11,288.84
  4. Step 4: Simplify right side
    19,243.40x = 299,853,490.75
  5. Step 5: Solve for x
    x = 299,853,490.75/19,243.40
  6. Step 6: Final answer
    x = 15,582.15

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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.