Home / 22,577.33-31,157.18-13,512.07

Finding the Fourth Proportional to 22,577.33, 31,157.18 and 13,512.07

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Solution

The fourth proportional to 22,577.33, 31,157.18 and 13,512.07 is: 18,646.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,577.33 : 31,157.18 = 13,512.07 : x
  2. Step 2: Convert to fraction form
    22,577.33/31,157.18 = 13,512.07/x
  3. Step 3: Cross multiply
    22,577.33x = 31,157.18 × 13,512.07
  4. Step 4: Simplify right side
    22,577.33x = 420,997,881.96
  5. Step 5: Solve for x
    x = 420,997,881.96/22,577.33
  6. Step 6: Final answer
    x = 18,646.93

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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.