Home / 19,259.46-28,889.10-6,112.86

Finding the Fourth Proportional to 19,259.46, 28,889.10 and 6,112.86

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Solution

The fourth proportional to 19,259.46, 28,889.10 and 6,112.86 is: 9,169.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259.46 : 28,889.10 = 6,112.86 : x
  2. Step 2: Convert to fraction form
    19,259.46/28,889.10 = 6,112.86/x
  3. Step 3: Cross multiply
    19,259.46x = 28,889.10 × 6,112.86
  4. Step 4: Simplify right side
    19,259.46x = 176,595,023.83
  5. Step 5: Solve for x
    x = 176,595,023.83/19,259.46
  6. Step 6: Final answer
    x = 9,169.26

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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.