Home / 19,197.68-26,490.94-11,543.18

Finding the Fourth Proportional to 19,197.68, 26,490.94 and 11,543.18

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Solution

The fourth proportional to 19,197.68, 26,490.94 and 11,543.18 is: 15,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197.68 : 26,490.94 = 11,543.18 : x
  2. Step 2: Convert to fraction form
    19,197.68/26,490.94 = 11,543.18/x
  3. Step 3: Cross multiply
    19,197.68x = 26,490.94 × 11,543.18
  4. Step 4: Simplify right side
    19,197.68x = 305,789,527.48
  5. Step 5: Solve for x
    x = 305,789,527.48/19,197.68
  6. Step 6: Final answer
    x = 15,928.47

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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.