Home / 19,164.86-26,447.47-10,781.36

Finding the Fourth Proportional to 19,164.86, 26,447.47 and 10,781.36

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Solution

The fourth proportional to 19,164.86, 26,447.47 and 10,781.36 is: 14,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.86 : 26,447.47 = 10,781.36 : x
  2. Step 2: Convert to fraction form
    19,164.86/26,447.47 = 10,781.36/x
  3. Step 3: Cross multiply
    19,164.86x = 26,447.47 × 10,781.36
  4. Step 4: Simplify right side
    19,164.86x = 285,139,774.75
  5. Step 5: Solve for x
    x = 285,139,774.75/19,164.86
  6. Step 6: Final answer
    x = 14,878.26

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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.