Home / 15,905.12-23,835.11-11,712.24

Finding the Fourth Proportional to 15,905.12, 23,835.11 and 11,712.24

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Solution

The fourth proportional to 15,905.12, 23,835.11 and 11,712.24 is: 17,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905.12 : 23,835.11 = 11,712.24 : x
  2. Step 2: Convert to fraction form
    15,905.12/23,835.11 = 11,712.24/x
  3. Step 3: Cross multiply
    15,905.12x = 23,835.11 × 11,712.24
  4. Step 4: Simplify right side
    15,905.12x = 279,162,470.19
  5. Step 5: Solve for x
    x = 279,162,470.19/15,905.12
  6. Step 6: Final answer
    x = 17,551.74

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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.