Home / 16,931.92-23,358.27-10,965.55

Finding the Fourth Proportional to 16,931.92, 23,358.27 and 10,965.55

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Solution

The fourth proportional to 16,931.92, 23,358.27 and 10,965.55 is: 15,127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.92 : 23,358.27 = 10,965.55 : x
  2. Step 2: Convert to fraction form
    16,931.92/23,358.27 = 10,965.55/x
  3. Step 3: Cross multiply
    16,931.92x = 23,358.27 × 10,965.55
  4. Step 4: Simplify right side
    16,931.92x = 256,136,277.60
  5. Step 5: Solve for x
    x = 256,136,277.60/16,931.92
  6. Step 6: Final answer
    x = 15,127.42

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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.