Home / 14,264.20-21,396.30-13,292.20

Finding the Fourth Proportional to 14,264.20, 21,396.30 and 13,292.20

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Solution

The fourth proportional to 14,264.20, 21,396.30 and 13,292.20 is: 19,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.20 : 21,396.30 = 13,292.20 : x
  2. Step 2: Convert to fraction form
    14,264.20/21,396.30 = 13,292.20/x
  3. Step 3: Cross multiply
    14,264.20x = 21,396.30 × 13,292.20
  4. Step 4: Simplify right side
    14,264.20x = 284,403,898.86
  5. Step 5: Solve for x
    x = 284,403,898.86/14,264.20
  6. Step 6: Final answer
    x = 19,938.30

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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.