Home / 21,923.52-32,896.08-13,601.40

Finding the Fourth Proportional to 21,923.52, 32,896.08 and 13,601.40

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Solution

The fourth proportional to 21,923.52, 32,896.08 and 13,601.40 is: 20,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923.52 : 32,896.08 = 13,601.40 : x
  2. Step 2: Convert to fraction form
    21,923.52/32,896.08 = 13,601.40/x
  3. Step 3: Cross multiply
    21,923.52x = 32,896.08 × 13,601.40
  4. Step 4: Simplify right side
    21,923.52x = 447,432,742.51
  5. Step 5: Solve for x
    x = 447,432,742.51/21,923.52
  6. Step 6: Final answer
    x = 20,408.80

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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.