Home / 22,078.51-30,479.62-17,031.40

Finding the Fourth Proportional to 22,078.51, 30,479.62 and 17,031.40

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Solution

The fourth proportional to 22,078.51, 30,479.62 and 17,031.40 is: 23,512.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078.51 : 30,479.62 = 17,031.40 : x
  2. Step 2: Convert to fraction form
    22,078.51/30,479.62 = 17,031.40/x
  3. Step 3: Cross multiply
    22,078.51x = 30,479.62 × 17,031.40
  4. Step 4: Simplify right side
    22,078.51x = 519,110,600.07
  5. Step 5: Solve for x
    x = 519,110,600.07/22,078.51
  6. Step 6: Final answer
    x = 23,512.03

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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.