Home / 13,852.36-20,778.54-6,925.24

Finding the Fourth Proportional to 13,852.36, 20,778.54 and 6,925.24

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Solution

The fourth proportional to 13,852.36, 20,778.54 and 6,925.24 is: 10,387.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.36 : 20,778.54 = 6,925.24 : x
  2. Step 2: Convert to fraction form
    13,852.36/20,778.54 = 6,925.24/x
  3. Step 3: Cross multiply
    13,852.36x = 20,778.54 × 6,925.24
  4. Step 4: Simplify right side
    13,852.36x = 143,896,376.35
  5. Step 5: Solve for x
    x = 143,896,376.35/13,852.36
  6. Step 6: Final answer
    x = 10,387.86

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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.