Home / 15,068.96-20,795.70-9,099.48

Finding the Fourth Proportional to 15,068.96, 20,795.70 and 9,099.48

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Solution

The fourth proportional to 15,068.96, 20,795.70 and 9,099.48 is: 12,557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.96 : 20,795.70 = 9,099.48 : x
  2. Step 2: Convert to fraction form
    15,068.96/20,795.70 = 9,099.48/x
  3. Step 3: Cross multiply
    15,068.96x = 20,795.70 × 9,099.48
  4. Step 4: Simplify right side
    15,068.96x = 189,230,056.24
  5. Step 5: Solve for x
    x = 189,230,056.24/15,068.96
  6. Step 6: Final answer
    x = 12,557.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.