Home / 14,440.61-21,621.80-7,500.53

Finding the Fourth Proportional to 14,440.61, 21,621.80 and 7,500.53

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Solution

The fourth proportional to 14,440.61, 21,621.80 and 7,500.53 is: 11,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.61 : 21,621.80 = 7,500.53 : x
  2. Step 2: Convert to fraction form
    14,440.61/21,621.80 = 7,500.53/x
  3. Step 3: Cross multiply
    14,440.61x = 21,621.80 × 7,500.53
  4. Step 4: Simplify right side
    14,440.61x = 162,175,032.36
  5. Step 5: Solve for x
    x = 162,175,032.36/14,440.61
  6. Step 6: Final answer
    x = 11,230.48

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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.