Home / 47,212.54-70,818.72-13,955.92

Finding the Fourth Proportional to 47,212.54, 70,818.72 and 13,955.92

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Solution

The fourth proportional to 47,212.54, 70,818.72 and 13,955.92 is: 20,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,212.54 : 70,818.72 = 13,955.92 : x
  2. Step 2: Convert to fraction form
    47,212.54/70,818.72 = 13,955.92/x
  3. Step 3: Cross multiply
    47,212.54x = 70,818.72 × 13,955.92
  4. Step 4: Simplify right side
    47,212.54x = 988,340,390.82
  5. Step 5: Solve for x
    x = 988,340,390.82/47,212.54
  6. Step 6: Final answer
    x = 20,933.85

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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.