Home / 21,251.16-29,327.58-12,296.93

Finding the Fourth Proportional to 21,251.16, 29,327.58 and 12,296.93

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Solution

The fourth proportional to 21,251.16, 29,327.58 and 12,296.93 is: 16,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,251.16 : 29,327.58 = 12,296.93 : x
  2. Step 2: Convert to fraction form
    21,251.16/29,327.58 = 12,296.93/x
  3. Step 3: Cross multiply
    21,251.16x = 29,327.58 × 12,296.93
  4. Step 4: Simplify right side
    21,251.16x = 360,639,051.69
  5. Step 5: Solve for x
    x = 360,639,051.69/21,251.16
  6. Step 6: Final answer
    x = 16,970.33

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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.