Home / 21,890.76-32,852.34-16,281.24

Finding the Fourth Proportional to 21,890.76, 32,852.34 and 16,281.24

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Solution

The fourth proportional to 21,890.76, 32,852.34 and 16,281.24 is: 24,433.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,890.76 : 32,852.34 = 16,281.24 : x
  2. Step 2: Convert to fraction form
    21,890.76/32,852.34 = 16,281.24/x
  3. Step 3: Cross multiply
    21,890.76x = 32,852.34 × 16,281.24
  4. Step 4: Simplify right side
    21,890.76x = 534,876,832.10
  5. Step 5: Solve for x
    x = 534,876,832.10/21,890.76
  6. Step 6: Final answer
    x = 24,433.91

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1.5x scale

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.