Home / 21,701.52-32,548.64-6,115.50

Finding the Fourth Proportional to 21,701.52, 32,548.64 and 6,115.50

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Solution

The fourth proportional to 21,701.52, 32,548.64 and 6,115.50 is: 9,172.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,701.52 : 32,548.64 = 6,115.50 : x
  2. Step 2: Convert to fraction form
    21,701.52/32,548.64 = 6,115.50/x
  3. Step 3: Cross multiply
    21,701.52x = 32,548.64 × 6,115.50
  4. Step 4: Simplify right side
    21,701.52x = 199,051,177.34
  5. Step 5: Solve for x
    x = 199,051,177.34/21,701.52
  6. Step 6: Final answer
    x = 9,172.22

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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.