Home / 21,752.05-32,640.62-11,756.82

Finding the Fourth Proportional to 21,752.05, 32,640.62 and 11,756.82

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Solution

The fourth proportional to 21,752.05, 32,640.62 and 11,756.82 is: 17,642.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,752.05 : 32,640.62 = 11,756.82 : x
  2. Step 2: Convert to fraction form
    21,752.05/32,640.62 = 11,756.82/x
  3. Step 3: Cross multiply
    21,752.05x = 32,640.62 × 11,756.82
  4. Step 4: Simplify right side
    21,752.05x = 383,749,894.03
  5. Step 5: Solve for x
    x = 383,749,894.03/21,752.05
  6. Step 6: Final answer
    x = 17,642.01

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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.