Home / 15,789.35-23,682.11-9,866.77

Finding the Fourth Proportional to 15,789.35, 23,682.11 and 9,866.77

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Solution

The fourth proportional to 15,789.35, 23,682.11 and 9,866.77 is: 14,798.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789.35 : 23,682.11 = 9,866.77 : x
  2. Step 2: Convert to fraction form
    15,789.35/23,682.11 = 9,866.77/x
  3. Step 3: Cross multiply
    15,789.35x = 23,682.11 × 9,866.77
  4. Step 4: Simplify right side
    15,789.35x = 233,665,823.95
  5. Step 5: Solve for x
    x = 233,665,823.95/15,789.35
  6. Step 6: Final answer
    x = 14,798.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.