Home / 22,117.78-30,417.96-17,588.26

Finding the Fourth Proportional to 22,117.78, 30,417.96 and 17,588.26

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Solution

The fourth proportional to 22,117.78, 30,417.96 and 17,588.26 is: 24,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.78 : 30,417.96 = 17,588.26 : x
  2. Step 2: Convert to fraction form
    22,117.78/30,417.96 = 17,588.26/x
  3. Step 3: Cross multiply
    22,117.78x = 30,417.96 × 17,588.26
  4. Step 4: Simplify right side
    22,117.78x = 534,998,989.15
  5. Step 5: Solve for x
    x = 534,998,989.15/22,117.78
  6. Step 6: Final answer
    x = 24,188.64

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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.