Home / 21,670.01-32,453.07-11,784.77

Finding the Fourth Proportional to 21,670.01, 32,453.07 and 11,784.77

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Solution

The fourth proportional to 21,670.01, 32,453.07 and 11,784.77 is: 17,648.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,670.01 : 32,453.07 = 11,784.77 : x
  2. Step 2: Convert to fraction form
    21,670.01/32,453.07 = 11,784.77/x
  3. Step 3: Cross multiply
    21,670.01x = 32,453.07 × 11,784.77
  4. Step 4: Simplify right side
    21,670.01x = 382,451,965.74
  5. Step 5: Solve for x
    x = 382,451,965.74/21,670.01
  6. Step 6: Final answer
    x = 17,648.91

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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.