Home / 15,923.64-21,973.68-8,849.82

Finding the Fourth Proportional to 15,923.64, 21,973.68 and 8,849.82

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Solution

The fourth proportional to 15,923.64, 21,973.68 and 8,849.82 is: 12,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.64 : 21,973.68 = 8,849.82 : x
  2. Step 2: Convert to fraction form
    15,923.64/21,973.68 = 8,849.82/x
  3. Step 3: Cross multiply
    15,923.64x = 21,973.68 × 8,849.82
  4. Step 4: Simplify right side
    15,923.64x = 194,463,112.74
  5. Step 5: Solve for x
    x = 194,463,112.74/15,923.64
  6. Step 6: Final answer
    x = 12,212.23

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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.