Home / 19,165.55-26,448.42-10,782.05

Finding the Fourth Proportional to 19,165.55, 26,448.42 and 10,782.05

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Solution

The fourth proportional to 19,165.55, 26,448.42 and 10,782.05 is: 14,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.55 : 26,448.42 = 10,782.05 : x
  2. Step 2: Convert to fraction form
    19,165.55/26,448.42 = 10,782.05/x
  3. Step 3: Cross multiply
    19,165.55x = 26,448.42 × 10,782.05
  4. Step 4: Simplify right side
    19,165.55x = 285,168,186.86
  5. Step 5: Solve for x
    x = 285,168,186.86/19,165.55
  6. Step 6: Final answer
    x = 14,879.21

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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.