Home / 19,112.40-28,663.80-6,797.52

Finding the Fourth Proportional to 19,112.40, 28,663.80 and 6,797.52

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Solution

The fourth proportional to 19,112.40, 28,663.80 and 6,797.52 is: 10,194.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.40 : 28,663.80 = 6,797.52 : x
  2. Step 2: Convert to fraction form
    19,112.40/28,663.80 = 6,797.52/x
  3. Step 3: Cross multiply
    19,112.40x = 28,663.80 × 6,797.52
  4. Step 4: Simplify right side
    19,112.40x = 194,842,753.78
  5. Step 5: Solve for x
    x = 194,842,753.78/19,112.40
  6. Step 6: Final answer
    x = 10,194.57

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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.