Home / 13,113.60-19,657.44-6,192.96

Finding the Fourth Proportional to 13,113.60, 19,657.44 and 6,192.96

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Solution

The fourth proportional to 13,113.60, 19,657.44 and 6,192.96 is: 9,283.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113.60 : 19,657.44 = 6,192.96 : x
  2. Step 2: Convert to fraction form
    13,113.60/19,657.44 = 6,192.96/x
  3. Step 3: Cross multiply
    13,113.60x = 19,657.44 × 6,192.96
  4. Step 4: Simplify right side
    13,113.60x = 121,737,739.62
  5. Step 5: Solve for x
    x = 121,737,739.62/13,113.60
  6. Step 6: Final answer
    x = 9,283.32

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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.