Home / 13,038.96-19,558.44-3,178.33

Finding the Fourth Proportional to 13,038.96, 19,558.44 and 3,178.33

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Solution

The fourth proportional to 13,038.96, 19,558.44 and 3,178.33 is: 4,767.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.96 : 19,558.44 = 3,178.33 : x
  2. Step 2: Convert to fraction form
    13,038.96/19,558.44 = 3,178.33/x
  3. Step 3: Cross multiply
    13,038.96x = 19,558.44 × 3,178.33
  4. Step 4: Simplify right side
    13,038.96x = 62,163,176.61
  5. Step 5: Solve for x
    x = 62,163,176.61/13,038.96
  6. Step 6: Final answer
    x = 4,767.50

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Similar ratio
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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.