Home / 14,110.35-21,172.01-13,877.07

Finding the Fourth Proportional to 14,110.35, 21,172.01 and 13,877.07

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Solution

The fourth proportional to 14,110.35, 21,172.01 and 13,877.07 is: 20,821.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.35 : 21,172.01 = 13,877.07 : x
  2. Step 2: Convert to fraction form
    14,110.35/21,172.01 = 13,877.07/x
  3. Step 3: Cross multiply
    14,110.35x = 21,172.01 × 13,877.07
  4. Step 4: Simplify right side
    14,110.35x = 293,805,395.43
  5. Step 5: Solve for x
    x = 293,805,395.43/14,110.35
  6. Step 6: Final answer
    x = 20,821.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.