Home / 15,219.02-22,818.20-5,357

Finding the Fourth Proportional to 15,219.02, 22,818.20 and 5,357

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Solution

The fourth proportional to 15,219.02, 22,818.20 and 5,357 is: 8,031.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219.02 : 22,818.20 = 5,357 : x
  2. Step 2: Convert to fraction form
    15,219.02/22,818.20 = 5,357/x
  3. Step 3: Cross multiply
    15,219.02x = 22,818.20 × 5,357
  4. Step 4: Simplify right side
    15,219.02x = 122,237,097.40
  5. Step 5: Solve for x
    x = 122,237,097.40/15,219.02
  6. Step 6: Final answer
    x = 8,031.86

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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.