Home / 21,063.92-31,602.71-6,272.96

Finding the Fourth Proportional to 21,063.92, 31,602.71 and 6,272.96

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Solution

The fourth proportional to 21,063.92, 31,602.71 and 6,272.96 is: 9,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063.92 : 31,602.71 = 6,272.96 : x
  2. Step 2: Convert to fraction form
    21,063.92/31,602.71 = 6,272.96/x
  3. Step 3: Cross multiply
    21,063.92x = 31,602.71 × 6,272.96
  4. Step 4: Simplify right side
    21,063.92x = 198,242,630.41
  5. Step 5: Solve for x
    x = 198,242,630.41/21,063.92
  6. Step 6: Final answer
    x = 9,411.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.