Home / 21,532.74-29,717.64-11,973.58

Finding the Fourth Proportional to 21,532.74, 29,717.64 and 11,973.58

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Solution

The fourth proportional to 21,532.74, 29,717.64 and 11,973.58 is: 16,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,532.74 : 29,717.64 = 11,973.58 : x
  2. Step 2: Convert to fraction form
    21,532.74/29,717.64 = 11,973.58/x
  3. Step 3: Cross multiply
    21,532.74x = 29,717.64 × 11,973.58
  4. Step 4: Simplify right side
    21,532.74x = 355,826,331.50
  5. Step 5: Solve for x
    x = 355,826,331.50/21,532.74
  6. Step 6: Final answer
    x = 16,524.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.