Home / 21,659.13-32,501.66-19,896.57

Finding the Fourth Proportional to 21,659.13, 32,501.66 and 19,896.57

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Solution

The fourth proportional to 21,659.13, 32,501.66 and 19,896.57 is: 29,856.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,659.13 : 32,501.66 = 19,896.57 : x
  2. Step 2: Convert to fraction form
    21,659.13/32,501.66 = 19,896.57/x
  3. Step 3: Cross multiply
    21,659.13x = 32,501.66 × 19,896.57
  4. Step 4: Simplify right side
    21,659.13x = 646,671,453.82
  5. Step 5: Solve for x
    x = 646,671,453.82/21,659.13
  6. Step 6: Final answer
    x = 29,856.76

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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.