Home / 22,257.72-33,370.02-13,490.52

Finding the Fourth Proportional to 22,257.72, 33,370.02 and 13,490.52

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Solution

The fourth proportional to 22,257.72, 33,370.02 and 13,490.52 is: 20,225.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,257.72 : 33,370.02 = 13,490.52 : x
  2. Step 2: Convert to fraction form
    22,257.72/33,370.02 = 13,490.52/x
  3. Step 3: Cross multiply
    22,257.72x = 33,370.02 × 13,490.52
  4. Step 4: Simplify right side
    22,257.72x = 450,178,922.21
  5. Step 5: Solve for x
    x = 450,178,922.21/22,257.72
  6. Step 6: Final answer
    x = 20,225.74

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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.