Home / 23,581.63-32,540.66-13,889.54

Finding the Fourth Proportional to 23,581.63, 32,540.66 and 13,889.54

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Solution

The fourth proportional to 23,581.63, 32,540.66 and 13,889.54 is: 19,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,581.63 : 32,540.66 = 13,889.54 : x
  2. Step 2: Convert to fraction form
    23,581.63/32,540.66 = 13,889.54/x
  3. Step 3: Cross multiply
    23,581.63x = 32,540.66 × 13,889.54
  4. Step 4: Simplify right side
    23,581.63x = 451,974,862.69
  5. Step 5: Solve for x
    x = 451,974,862.69/23,581.63
  6. Step 6: Final answer
    x = 19,166.40

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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.