Home / 16,464.87-22,720.50-9,393.57

Finding the Fourth Proportional to 16,464.87, 22,720.50 and 9,393.57

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Solution

The fourth proportional to 16,464.87, 22,720.50 and 9,393.57 is: 12,962.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,464.87 : 22,720.50 = 9,393.57 : x
  2. Step 2: Convert to fraction form
    16,464.87/22,720.50 = 9,393.57/x
  3. Step 3: Cross multiply
    16,464.87x = 22,720.50 × 9,393.57
  4. Step 4: Simplify right side
    16,464.87x = 213,426,607.19
  5. Step 5: Solve for x
    x = 213,426,607.19/16,464.87
  6. Step 6: Final answer
    x = 12,962.54

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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.