Home / 22,700.94-31,327.47-12,629.58

Finding the Fourth Proportional to 22,700.94, 31,327.47 and 12,629.58

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Solution

The fourth proportional to 22,700.94, 31,327.47 and 12,629.58 is: 17,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,700.94 : 31,327.47 = 12,629.58 : x
  2. Step 2: Convert to fraction form
    22,700.94/31,327.47 = 12,629.58/x
  3. Step 3: Cross multiply
    22,700.94x = 31,327.47 × 12,629.58
  4. Step 4: Simplify right side
    22,700.94x = 395,652,788.56
  5. Step 5: Solve for x
    x = 395,652,788.56/22,700.94
  6. Step 6: Final answer
    x = 17,428.92

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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.