Home / 16,931.03-23,384.50-15,946.88

Finding the Fourth Proportional to 16,931.03, 23,384.50 and 15,946.88

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Solution

The fourth proportional to 16,931.03, 23,384.50 and 15,946.88 is: 22,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.03 : 23,384.50 = 15,946.88 : x
  2. Step 2: Convert to fraction form
    16,931.03/23,384.50 = 15,946.88/x
  3. Step 3: Cross multiply
    16,931.03x = 23,384.50 × 15,946.88
  4. Step 4: Simplify right side
    16,931.03x = 372,909,658.57
  5. Step 5: Solve for x
    x = 372,909,658.57/16,931.03
  6. Step 6: Final answer
    x = 22,025.23

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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.