Home / 22,454.31-30,977.40-16,475.60

Finding the Fourth Proportional to 22,454.31, 30,977.40 and 16,475.60

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Solution

The fourth proportional to 22,454.31, 30,977.40 and 16,475.60 is: 22,729.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.31 : 30,977.40 = 16,475.60 : x
  2. Step 2: Convert to fraction form
    22,454.31/30,977.40 = 16,475.60/x
  3. Step 3: Cross multiply
    22,454.31x = 30,977.40 × 16,475.60
  4. Step 4: Simplify right side
    22,454.31x = 510,371,390.67
  5. Step 5: Solve for x
    x = 510,371,390.67/22,454.31
  6. Step 6: Final answer
    x = 22,729.32

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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.