Home / 16,070.83-22,176.64-8,900.23

Finding the Fourth Proportional to 16,070.83, 22,176.64 and 8,900.23

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Solution

The fourth proportional to 16,070.83, 22,176.64 and 8,900.23 is: 12,281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,070.83 : 22,176.64 = 8,900.23 : x
  2. Step 2: Convert to fraction form
    16,070.83/22,176.64 = 8,900.23/x
  3. Step 3: Cross multiply
    16,070.83x = 22,176.64 × 8,900.23
  4. Step 4: Simplify right side
    16,070.83x = 197,377,143.83
  5. Step 5: Solve for x
    x = 197,377,143.83/16,070.83
  6. Step 6: Final answer
    x = 12,281.70

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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.