Home / 15,462.21-23,195.02-4,929.78

Finding the Fourth Proportional to 15,462.21, 23,195.02 and 4,929.78

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Solution

The fourth proportional to 15,462.21, 23,195.02 and 4,929.78 is: 7,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,462.21 : 23,195.02 = 4,929.78 : x
  2. Step 2: Convert to fraction form
    15,462.21/23,195.02 = 4,929.78/x
  3. Step 3: Cross multiply
    15,462.21x = 23,195.02 × 4,929.78
  4. Step 4: Simplify right side
    15,462.21x = 114,346,345.70
  5. Step 5: Solve for x
    x = 114,346,345.70/15,462.21
  6. Step 6: Final answer
    x = 7,395.21

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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.