Home / 14,293.72-21,436.54-9,020.84

Finding the Fourth Proportional to 14,293.72, 21,436.54 and 9,020.84

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Solution

The fourth proportional to 14,293.72, 21,436.54 and 9,020.84 is: 13,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293.72 : 21,436.54 = 9,020.84 : x
  2. Step 2: Convert to fraction form
    14,293.72/21,436.54 = 9,020.84/x
  3. Step 3: Cross multiply
    14,293.72x = 21,436.54 × 9,020.84
  4. Step 4: Simplify right side
    14,293.72x = 193,375,467.76
  5. Step 5: Solve for x
    x = 193,375,467.76/14,293.72
  6. Step 6: Final answer
    x = 13,528.70

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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.