Home / 16,005.19-22,087.29-8,931.64

Finding the Fourth Proportional to 16,005.19, 22,087.29 and 8,931.64

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Solution

The fourth proportional to 16,005.19, 22,087.29 and 8,931.64 is: 12,325.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,005.19 : 22,087.29 = 8,931.64 : x
  2. Step 2: Convert to fraction form
    16,005.19/22,087.29 = 8,931.64/x
  3. Step 3: Cross multiply
    16,005.19x = 22,087.29 × 8,931.64
  4. Step 4: Simplify right side
    16,005.19x = 197,275,722.86
  5. Step 5: Solve for x
    x = 197,275,722.86/16,005.19
  6. Step 6: Final answer
    x = 12,325.73

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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.