Home / 21,898.23-32,823.82-11,357.70

Finding the Fourth Proportional to 21,898.23, 32,823.82 and 11,357.70

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Solution

The fourth proportional to 21,898.23, 32,823.82 and 11,357.70 is: 17,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,898.23 : 32,823.82 = 11,357.70 : x
  2. Step 2: Convert to fraction form
    21,898.23/32,823.82 = 11,357.70/x
  3. Step 3: Cross multiply
    21,898.23x = 32,823.82 × 11,357.70
  4. Step 4: Simplify right side
    21,898.23x = 372,803,100.41
  5. Step 5: Solve for x
    x = 372,803,100.41/21,898.23
  6. Step 6: Final answer
    x = 17,024.35

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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.