Home / 14,164.98-19,555.68-10,781.22

Finding the Fourth Proportional to 14,164.98, 19,555.68 and 10,781.22

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Solution

The fourth proportional to 14,164.98, 19,555.68 and 10,781.22 is: 14,884.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,164.98 : 19,555.68 = 10,781.22 : x
  2. Step 2: Convert to fraction form
    14,164.98/19,555.68 = 10,781.22/x
  3. Step 3: Cross multiply
    14,164.98x = 19,555.68 × 10,781.22
  4. Step 4: Simplify right side
    14,164.98x = 210,834,088.33
  5. Step 5: Solve for x
    x = 210,834,088.33/14,164.98
  6. Step 6: Final answer
    x = 14,884.18

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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.