Home / 17,920.19-24,730.70-9,962.54

Finding the Fourth Proportional to 17,920.19, 24,730.70 and 9,962.54

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Solution

The fourth proportional to 17,920.19, 24,730.70 and 9,962.54 is: 13,748.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,920.19 : 24,730.70 = 9,962.54 : x
  2. Step 2: Convert to fraction form
    17,920.19/24,730.70 = 9,962.54/x
  3. Step 3: Cross multiply
    17,920.19x = 24,730.70 × 9,962.54
  4. Step 4: Simplify right side
    17,920.19x = 246,380,587.98
  5. Step 5: Solve for x
    x = 246,380,587.98/17,920.19
  6. Step 6: Final answer
    x = 13,748.77

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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.