Home / 15,832.07-21,848.49-8,758.46

Finding the Fourth Proportional to 15,832.07, 21,848.49 and 8,758.46

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Solution

The fourth proportional to 15,832.07, 21,848.49 and 8,758.46 is: 12,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,832.07 : 21,848.49 = 8,758.46 : x
  2. Step 2: Convert to fraction form
    15,832.07/21,848.49 = 8,758.46/x
  3. Step 3: Cross multiply
    15,832.07x = 21,848.49 × 8,758.46
  4. Step 4: Simplify right side
    15,832.07x = 191,359,125.73
  5. Step 5: Solve for x
    x = 191,359,125.73/15,832.07
  6. Step 6: Final answer
    x = 12,086.80

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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.