Home / 14,261.05-21,397.65-9,876.12

Finding the Fourth Proportional to 14,261.05, 21,397.65 and 9,876.12

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Solution

The fourth proportional to 14,261.05, 21,397.65 and 9,876.12 is: 14,818.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.05 : 21,397.65 = 9,876.12 : x
  2. Step 2: Convert to fraction form
    14,261.05/21,397.65 = 9,876.12/x
  3. Step 3: Cross multiply
    14,261.05x = 21,397.65 × 9,876.12
  4. Step 4: Simplify right side
    14,261.05x = 211,325,759.12
  5. Step 5: Solve for x
    x = 211,325,759.12/14,261.05
  6. Step 6: Final answer
    x = 14,818.39

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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.