Home / 14,294.87-21,438.25-9,021.97

Finding the Fourth Proportional to 14,294.87, 21,438.25 and 9,021.97

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Solution

The fourth proportional to 14,294.87, 21,438.25 and 9,021.97 is: 13,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,294.87 : 21,438.25 = 9,021.97 : x
  2. Step 2: Convert to fraction form
    14,294.87/21,438.25 = 9,021.97/x
  3. Step 3: Cross multiply
    14,294.87x = 21,438.25 × 9,021.97
  4. Step 4: Simplify right side
    14,294.87x = 193,415,248.35
  5. Step 5: Solve for x
    x = 193,415,248.35/14,294.87
  6. Step 6: Final answer
    x = 13,530.40

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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.