Home / 21,826.24-32,738.40-13,002.08

Finding the Fourth Proportional to 21,826.24, 32,738.40 and 13,002.08

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Solution

The fourth proportional to 21,826.24, 32,738.40 and 13,002.08 is: 19,502.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,826.24 : 32,738.40 = 13,002.08 : x
  2. Step 2: Convert to fraction form
    21,826.24/32,738.40 = 13,002.08/x
  3. Step 3: Cross multiply
    21,826.24x = 32,738.40 × 13,002.08
  4. Step 4: Simplify right side
    21,826.24x = 425,667,295.87
  5. Step 5: Solve for x
    x = 425,667,295.87/21,826.24
  6. Step 6: Final answer
    x = 19,502.55

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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.