Home / 21,627.47-32,440.03-6,634.58

Finding the Fourth Proportional to 21,627.47, 32,440.03 and 6,634.58

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Solution

The fourth proportional to 21,627.47, 32,440.03 and 6,634.58 is: 9,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627.47 : 32,440.03 = 6,634.58 : x
  2. Step 2: Convert to fraction form
    21,627.47/32,440.03 = 6,634.58/x
  3. Step 3: Cross multiply
    21,627.47x = 32,440.03 × 6,634.58
  4. Step 4: Simplify right side
    21,627.47x = 215,225,795.45
  5. Step 5: Solve for x
    x = 215,225,795.45/21,627.47
  6. Step 6: Final answer
    x = 9,951.50

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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.