Home / 23,107.37-31,873.48-15,150.11

Finding the Fourth Proportional to 23,107.37, 31,873.48 and 15,150.11

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Solution

The fourth proportional to 23,107.37, 31,873.48 and 15,150.11 is: 20,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,107.37 : 31,873.48 = 15,150.11 : x
  2. Step 2: Convert to fraction form
    23,107.37/31,873.48 = 15,150.11/x
  3. Step 3: Cross multiply
    23,107.37x = 31,873.48 × 15,150.11
  4. Step 4: Simplify right side
    23,107.37x = 482,886,530.84
  5. Step 5: Solve for x
    x = 482,886,530.84/23,107.37
  6. Step 6: Final answer
    x = 20,897.52

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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.