Home / 34,378.12-51,559.74-12,192.22

Finding the Fourth Proportional to 34,378.12, 51,559.74 and 12,192.22

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Solution

The fourth proportional to 34,378.12, 51,559.74 and 12,192.22 is: 18,285.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,378.12 : 51,559.74 = 12,192.22 : x
  2. Step 2: Convert to fraction form
    34,378.12/51,559.74 = 12,192.22/x
  3. Step 3: Cross multiply
    34,378.12x = 51,559.74 × 12,192.22
  4. Step 4: Simplify right side
    34,378.12x = 628,627,693.22
  5. Step 5: Solve for x
    x = 628,627,693.22/34,378.12
  6. Step 6: Final answer
    x = 18,285.69

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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.