Home / 21,197.15-29,236.30-14,824.07

Finding the Fourth Proportional to 21,197.15, 29,236.30 and 14,824.07

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Solution

The fourth proportional to 21,197.15, 29,236.30 and 14,824.07 is: 20,446.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,197.15 : 29,236.30 = 14,824.07 : x
  2. Step 2: Convert to fraction form
    21,197.15/29,236.30 = 14,824.07/x
  3. Step 3: Cross multiply
    21,197.15x = 29,236.30 × 14,824.07
  4. Step 4: Simplify right side
    21,197.15x = 433,400,774.50
  5. Step 5: Solve for x
    x = 433,400,774.50/21,197.15
  6. Step 6: Final answer
    x = 20,446.19

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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.