Home / 21,447.24-29,581.38-14,733.96

Finding the Fourth Proportional to 21,447.24, 29,581.38 and 14,733.96

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Solution

The fourth proportional to 21,447.24, 29,581.38 and 14,733.96 is: 20,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447.24 : 29,581.38 = 14,733.96 : x
  2. Step 2: Convert to fraction form
    21,447.24/29,581.38 = 14,733.96/x
  3. Step 3: Cross multiply
    21,447.24x = 29,581.38 × 14,733.96
  4. Step 4: Simplify right side
    21,447.24x = 435,850,869.66
  5. Step 5: Solve for x
    x = 435,850,869.66/21,447.24
  6. Step 6: Final answer
    x = 20,322.00

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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.