Home / 22,207.68-30,636.96-14,644.32

Finding the Fourth Proportional to 22,207.68, 30,636.96 and 14,644.32

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Solution

The fourth proportional to 22,207.68, 30,636.96 and 14,644.32 is: 20,202.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.68 : 30,636.96 = 14,644.32 : x
  2. Step 2: Convert to fraction form
    22,207.68/30,636.96 = 14,644.32/x
  3. Step 3: Cross multiply
    22,207.68x = 30,636.96 × 14,644.32
  4. Step 4: Simplify right side
    22,207.68x = 448,657,446.07
  5. Step 5: Solve for x
    x = 448,657,446.07/22,207.68
  6. Step 6: Final answer
    x = 20,202.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.