Home / 13,346.48-20,012.93-4,458.62

Finding the Fourth Proportional to 13,346.48, 20,012.93 and 4,458.62

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Solution

The fourth proportional to 13,346.48, 20,012.93 and 4,458.62 is: 6,685.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.48 : 20,012.93 = 4,458.62 : x
  2. Step 2: Convert to fraction form
    13,346.48/20,012.93 = 4,458.62/x
  3. Step 3: Cross multiply
    13,346.48x = 20,012.93 × 4,458.62
  4. Step 4: Simplify right side
    13,346.48x = 89,229,927.60
  5. Step 5: Solve for x
    x = 89,229,927.60/13,346.48
  6. Step 6: Final answer
    x = 6,685.66

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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.