Home / 22,820.26-31,492.20-13,388.98

Finding the Fourth Proportional to 22,820.26, 31,492.20 and 13,388.98

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Solution

The fourth proportional to 22,820.26, 31,492.20 and 13,388.98 is: 18,476.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,820.26 : 31,492.20 = 13,388.98 : x
  2. Step 2: Convert to fraction form
    22,820.26/31,492.20 = 13,388.98/x
  3. Step 3: Cross multiply
    22,820.26x = 31,492.20 × 13,388.98
  4. Step 4: Simplify right side
    22,820.26x = 421,648,435.96
  5. Step 5: Solve for x
    x = 421,648,435.96/22,820.26
  6. Step 6: Final answer
    x = 18,476.93

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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.