Home / 20,212.16-30,355.88-16,522.24

Finding the Fourth Proportional to 20,212.16, 30,355.88 and 16,522.24

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Solution

The fourth proportional to 20,212.16, 30,355.88 and 16,522.24 is: 24,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212.16 : 30,355.88 = 16,522.24 : x
  2. Step 2: Convert to fraction form
    20,212.16/30,355.88 = 16,522.24/x
  3. Step 3: Cross multiply
    20,212.16x = 30,355.88 × 16,522.24
  4. Step 4: Simplify right side
    20,212.16x = 501,547,134.77
  5. Step 5: Solve for x
    x = 501,547,134.77/20,212.16
  6. Step 6: Final answer
    x = 24,814.13

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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.