Home / 21,379.91-32,038.88-14,709.56

Finding the Fourth Proportional to 21,379.91, 32,038.88 and 14,709.56

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Solution

The fourth proportional to 21,379.91, 32,038.88 and 14,709.56 is: 22,043.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,379.91 : 32,038.88 = 14,709.56 : x
  2. Step 2: Convert to fraction form
    21,379.91/32,038.88 = 14,709.56/x
  3. Step 3: Cross multiply
    21,379.91x = 32,038.88 × 14,709.56
  4. Step 4: Simplify right side
    21,379.91x = 471,277,593.95
  5. Step 5: Solve for x
    x = 471,277,593.95/21,379.91
  6. Step 6: Final answer
    x = 22,043.02

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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.