Home / 16,764.75-23,135.40-9,312.75

Finding the Fourth Proportional to 16,764.75, 23,135.40 and 9,312.75

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Solution

The fourth proportional to 16,764.75, 23,135.40 and 9,312.75 is: 12,851.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764.75 : 23,135.40 = 9,312.75 : x
  2. Step 2: Convert to fraction form
    16,764.75/23,135.40 = 9,312.75/x
  3. Step 3: Cross multiply
    16,764.75x = 23,135.40 × 9,312.75
  4. Step 4: Simplify right side
    16,764.75x = 215,454,196.35
  5. Step 5: Solve for x
    x = 215,454,196.35/16,764.75
  6. Step 6: Final answer
    x = 12,851.62

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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.