Home / 14,282.40-21,417.68-5,396.19

Finding the Fourth Proportional to 14,282.40, 21,417.68 and 5,396.19

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Solution

The fourth proportional to 14,282.40, 21,417.68 and 5,396.19 is: 8,092.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.40 : 21,417.68 = 5,396.19 : x
  2. Step 2: Convert to fraction form
    14,282.40/21,417.68 = 5,396.19/x
  3. Step 3: Cross multiply
    14,282.40x = 21,417.68 × 5,396.19
  4. Step 4: Simplify right side
    14,282.40x = 115,573,961.76
  5. Step 5: Solve for x
    x = 115,573,961.76/14,282.40
  6. Step 6: Final answer
    x = 8,092.05

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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.