Home / 20,335.67-28,048.85-17,498.17

Finding the Fourth Proportional to 20,335.67, 28,048.85 and 17,498.17

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Solution

The fourth proportional to 20,335.67, 28,048.85 and 17,498.17 is: 24,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,335.67 : 28,048.85 = 17,498.17 : x
  2. Step 2: Convert to fraction form
    20,335.67/28,048.85 = 17,498.17/x
  3. Step 3: Cross multiply
    20,335.67x = 28,048.85 × 17,498.17
  4. Step 4: Simplify right side
    20,335.67x = 490,803,512.17
  5. Step 5: Solve for x
    x = 490,803,512.17/20,335.67
  6. Step 6: Final answer
    x = 24,135.10

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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.