Home / 21,973.71-32,962.52-6,178.88

Finding the Fourth Proportional to 21,973.71, 32,962.52 and 6,178.88

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Solution

The fourth proportional to 21,973.71, 32,962.52 and 6,178.88 is: 9,268.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.71 : 32,962.52 = 6,178.88 : x
  2. Step 2: Convert to fraction form
    21,973.71/32,962.52 = 6,178.88/x
  3. Step 3: Cross multiply
    21,973.71x = 32,962.52 × 6,178.88
  4. Step 4: Simplify right side
    21,973.71x = 203,671,424.68
  5. Step 5: Solve for x
    x = 203,671,424.68/21,973.71
  6. Step 6: Final answer
    x = 9,268.87

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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.