Home / 19,164.68-26,447.21-10,781.18

Finding the Fourth Proportional to 19,164.68, 26,447.21 and 10,781.18

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Solution

The fourth proportional to 19,164.68, 26,447.21 and 10,781.18 is: 14,878.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.68 : 26,447.21 = 10,781.18 : x
  2. Step 2: Convert to fraction form
    19,164.68/26,447.21 = 10,781.18/x
  3. Step 3: Cross multiply
    19,164.68x = 26,447.21 × 10,781.18
  4. Step 4: Simplify right side
    19,164.68x = 285,132,026.22
  5. Step 5: Solve for x
    x = 285,132,026.22/19,164.68
  6. Step 6: Final answer
    x = 14,878.00

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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.