Home / 12,795.13-19,190.04-3,432.93

Finding the Fourth Proportional to 12,795.13, 19,190.04 and 3,432.93

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Solution

The fourth proportional to 12,795.13, 19,190.04 and 3,432.93 is: 5,148.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.13 : 19,190.04 = 3,432.93 : x
  2. Step 2: Convert to fraction form
    12,795.13/19,190.04 = 3,432.93/x
  3. Step 3: Cross multiply
    12,795.13x = 19,190.04 × 3,432.93
  4. Step 4: Simplify right side
    12,795.13x = 65,877,968.07
  5. Step 5: Solve for x
    x = 65,877,968.07/12,795.13
  6. Step 6: Final answer
    x = 5,148.68

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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.