Home / 21,506.08-32,272.08-7,653.28

Finding the Fourth Proportional to 21,506.08, 32,272.08 and 7,653.28

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Solution

The fourth proportional to 21,506.08, 32,272.08 and 7,653.28 is: 11,484.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,506.08 : 32,272.08 = 7,653.28 : x
  2. Step 2: Convert to fraction form
    21,506.08/32,272.08 = 7,653.28/x
  3. Step 3: Cross multiply
    21,506.08x = 32,272.08 × 7,653.28
  4. Step 4: Simplify right side
    21,506.08x = 246,987,264.42
  5. Step 5: Solve for x
    x = 246,987,264.42/21,506.08
  6. Step 6: Final answer
    x = 11,484.53

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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.