Home / 21,877.35-30,193.41-14,325.53

Finding the Fourth Proportional to 21,877.35, 30,193.41 and 14,325.53

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Solution

The fourth proportional to 21,877.35, 30,193.41 and 14,325.53 is: 19,770.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,877.35 : 30,193.41 = 14,325.53 : x
  2. Step 2: Convert to fraction form
    21,877.35/30,193.41 = 14,325.53/x
  3. Step 3: Cross multiply
    21,877.35x = 30,193.41 × 14,325.53
  4. Step 4: Simplify right side
    21,877.35x = 432,536,768.34
  5. Step 5: Solve for x
    x = 432,536,768.34/21,877.35
  6. Step 6: Final answer
    x = 19,770.99

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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.