Home / 21,467.78-32,220.18-14,898.57

Finding the Fourth Proportional to 21,467.78, 32,220.18 and 14,898.57

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Solution

The fourth proportional to 21,467.78, 32,220.18 and 14,898.57 is: 22,360.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.78 : 32,220.18 = 14,898.57 : x
  2. Step 2: Convert to fraction form
    21,467.78/32,220.18 = 14,898.57/x
  3. Step 3: Cross multiply
    21,467.78x = 32,220.18 × 14,898.57
  4. Step 4: Simplify right side
    21,467.78x = 480,034,607.14
  5. Step 5: Solve for x
    x = 480,034,607.14/21,467.78
  6. Step 6: Final answer
    x = 22,360.71

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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.