Home / 13,727.52-20,575.08-4,955.76

Finding the Fourth Proportional to 13,727.52, 20,575.08 and 4,955.76

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Solution

The fourth proportional to 13,727.52, 20,575.08 and 4,955.76 is: 7,427.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.52 : 20,575.08 = 4,955.76 : x
  2. Step 2: Convert to fraction form
    13,727.52/20,575.08 = 4,955.76/x
  3. Step 3: Cross multiply
    13,727.52x = 20,575.08 × 4,955.76
  4. Step 4: Simplify right side
    13,727.52x = 101,965,158.46
  5. Step 5: Solve for x
    x = 101,965,158.46/13,727.52
  6. Step 6: Final answer
    x = 7,427.79

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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.