Home / 13,713.84-20,557.80-5,928.12

Finding the Fourth Proportional to 13,713.84, 20,557.80 and 5,928.12

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Solution

The fourth proportional to 13,713.84, 20,557.80 and 5,928.12 is: 8,886.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.84 : 20,557.80 = 5,928.12 : x
  2. Step 2: Convert to fraction form
    13,713.84/20,557.80 = 5,928.12/x
  3. Step 3: Cross multiply
    13,713.84x = 20,557.80 × 5,928.12
  4. Step 4: Simplify right side
    13,713.84x = 121,869,105.34
  5. Step 5: Solve for x
    x = 121,869,105.34/13,713.84
  6. Step 6: Final answer
    x = 8,886.58

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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.