Home / 19,165.87-26,448.85-10,782.37

Finding the Fourth Proportional to 19,165.87, 26,448.85 and 10,782.37

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Solution

The fourth proportional to 19,165.87, 26,448.85 and 10,782.37 is: 14,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.87 : 26,448.85 = 10,782.37 : x
  2. Step 2: Convert to fraction form
    19,165.87/26,448.85 = 10,782.37/x
  3. Step 3: Cross multiply
    19,165.87x = 26,448.85 × 10,782.37
  4. Step 4: Simplify right side
    19,165.87x = 285,181,154.53
  5. Step 5: Solve for x
    x = 285,181,154.53/19,165.87
  6. Step 6: Final answer
    x = 14,879.64

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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.