Home / 16,965.68-23,417.43-11,931.08

Finding the Fourth Proportional to 16,965.68, 23,417.43 and 11,931.08

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Solution

The fourth proportional to 16,965.68, 23,417.43 and 11,931.08 is: 16,468.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.68 : 23,417.43 = 11,931.08 : x
  2. Step 2: Convert to fraction form
    16,965.68/23,417.43 = 11,931.08/x
  3. Step 3: Cross multiply
    16,965.68x = 23,417.43 × 11,931.08
  4. Step 4: Simplify right side
    16,965.68x = 279,395,230.72
  5. Step 5: Solve for x
    x = 279,395,230.72/16,965.68
  6. Step 6: Final answer
    x = 16,468.26

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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.