Home / 19,938.36-27,498.78-17,543.16

Finding the Fourth Proportional to 19,938.36, 27,498.78 and 17,543.16

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Solution

The fourth proportional to 19,938.36, 27,498.78 and 17,543.16 is: 24,195.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.36 : 27,498.78 = 17,543.16 : x
  2. Step 2: Convert to fraction form
    19,938.36/27,498.78 = 17,543.16/x
  3. Step 3: Cross multiply
    19,938.36x = 27,498.78 × 17,543.16
  4. Step 4: Simplify right side
    19,938.36x = 482,415,497.34
  5. Step 5: Solve for x
    x = 482,415,497.34/19,938.36
  6. Step 6: Final answer
    x = 24,195.34

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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.