Home / 21,731.88-32,603.74-9,252.52

Finding the Fourth Proportional to 21,731.88, 32,603.74 and 9,252.52

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Solution

The fourth proportional to 21,731.88, 32,603.74 and 9,252.52 is: 13,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,731.88 : 32,603.74 = 9,252.52 : x
  2. Step 2: Convert to fraction form
    21,731.88/32,603.74 = 9,252.52/x
  3. Step 3: Cross multiply
    21,731.88x = 32,603.74 × 9,252.52
  4. Step 4: Simplify right side
    21,731.88x = 301,666,756.42
  5. Step 5: Solve for x
    x = 301,666,756.42/21,731.88
  6. Step 6: Final answer
    x = 13,881.30

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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.