Home / 14,212.39-19,621.12-9,854.59

Finding the Fourth Proportional to 14,212.39, 19,621.12 and 9,854.59

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Solution

The fourth proportional to 14,212.39, 19,621.12 and 9,854.59 is: 13,604.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212.39 : 19,621.12 = 9,854.59 : x
  2. Step 2: Convert to fraction form
    14,212.39/19,621.12 = 9,854.59/x
  3. Step 3: Cross multiply
    14,212.39x = 19,621.12 × 9,854.59
  4. Step 4: Simplify right side
    14,212.39x = 193,358,019.25
  5. Step 5: Solve for x
    x = 193,358,019.25/14,212.39
  6. Step 6: Final answer
    x = 13,604.89

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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.