Home / 16,675.80-23,012.60-9,122.15

Finding the Fourth Proportional to 16,675.80, 23,012.60 and 9,122.15

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Solution

The fourth proportional to 16,675.80, 23,012.60 and 9,122.15 is: 12,588.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,675.80 : 23,012.60 = 9,122.15 : x
  2. Step 2: Convert to fraction form
    16,675.80/23,012.60 = 9,122.15/x
  3. Step 3: Cross multiply
    16,675.80x = 23,012.60 × 9,122.15
  4. Step 4: Simplify right side
    16,675.80x = 209,924,228.42
  5. Step 5: Solve for x
    x = 209,924,228.42/16,675.80
  6. Step 6: Final answer
    x = 12,588.56

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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.