Home / 23,638.15-32,620.59-13,027.78

Finding the Fourth Proportional to 23,638.15, 32,620.59 and 13,027.78

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Solution

The fourth proportional to 23,638.15, 32,620.59 and 13,027.78 is: 17,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,638.15 : 32,620.59 = 13,027.78 : x
  2. Step 2: Convert to fraction form
    23,638.15/32,620.59 = 13,027.78/x
  3. Step 3: Cross multiply
    23,638.15x = 32,620.59 × 13,027.78
  4. Step 4: Simplify right side
    23,638.15x = 424,973,869.99
  5. Step 5: Solve for x
    x = 424,973,869.99/23,638.15
  6. Step 6: Final answer
    x = 17,978.30

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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.