Home / 14,187.66-19,575.56-8,521.52

Finding the Fourth Proportional to 14,187.66, 19,575.56 and 8,521.52

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Solution

The fourth proportional to 14,187.66, 19,575.56 and 8,521.52 is: 11,757.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.66 : 19,575.56 = 8,521.52 : x
  2. Step 2: Convert to fraction form
    14,187.66/19,575.56 = 8,521.52/x
  3. Step 3: Cross multiply
    14,187.66x = 19,575.56 × 8,521.52
  4. Step 4: Simplify right side
    14,187.66x = 166,813,526.05
  5. Step 5: Solve for x
    x = 166,813,526.05/14,187.66
  6. Step 6: Final answer
    x = 11,757.65

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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.