Home / 19,169.15-28,756.56-9,814.46

Finding the Fourth Proportional to 19,169.15, 28,756.56 and 9,814.46

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Solution

The fourth proportional to 19,169.15, 28,756.56 and 9,814.46 is: 14,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.15 : 28,756.56 = 9,814.46 : x
  2. Step 2: Convert to fraction form
    19,169.15/28,756.56 = 9,814.46/x
  3. Step 3: Cross multiply
    19,169.15x = 28,756.56 × 9,814.46
  4. Step 4: Simplify right side
    19,169.15x = 282,230,107.86
  5. Step 5: Solve for x
    x = 282,230,107.86/19,169.15
  6. Step 6: Final answer
    x = 14,723.14

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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.