Home / 16,772.55-23,146.54-9,219.08

Finding the Fourth Proportional to 16,772.55, 23,146.54 and 9,219.08

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Solution

The fourth proportional to 16,772.55, 23,146.54 and 9,219.08 is: 12,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,772.55 : 23,146.54 = 9,219.08 : x
  2. Step 2: Convert to fraction form
    16,772.55/23,146.54 = 9,219.08/x
  3. Step 3: Cross multiply
    16,772.55x = 23,146.54 × 9,219.08
  4. Step 4: Simplify right side
    16,772.55x = 213,389,688.25
  5. Step 5: Solve for x
    x = 213,389,688.25/16,772.55
  6. Step 6: Final answer
    x = 12,722.55

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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.