Home / 19,169.99-26,448.48-10,784.87

Finding the Fourth Proportional to 19,169.99, 26,448.48 and 10,784.87

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Solution

The fourth proportional to 19,169.99, 26,448.48 and 10,784.87 is: 14,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.99 : 26,448.48 = 10,784.87 : x
  2. Step 2: Convert to fraction form
    19,169.99/26,448.48 = 10,784.87/x
  3. Step 3: Cross multiply
    19,169.99x = 26,448.48 × 10,784.87
  4. Step 4: Simplify right side
    19,169.99x = 285,243,418.50
  5. Step 5: Solve for x
    x = 285,243,418.50/19,169.99
  6. Step 6: Final answer
    x = 14,879.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.