Home / 22,468.10-30,977.18-18,420.26

Finding the Fourth Proportional to 22,468.10, 30,977.18 and 18,420.26

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Solution

The fourth proportional to 22,468.10, 30,977.18 and 18,420.26 is: 25,396.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,468.10 : 30,977.18 = 18,420.26 : x
  2. Step 2: Convert to fraction form
    22,468.10/30,977.18 = 18,420.26/x
  3. Step 3: Cross multiply
    22,468.10x = 30,977.18 × 18,420.26
  4. Step 4: Simplify right side
    22,468.10x = 570,607,531.76
  5. Step 5: Solve for x
    x = 570,607,531.76/22,468.10
  6. Step 6: Final answer
    x = 25,396.35

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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.