Home / 16,730.78-23,088.11-9,176.97

Finding the Fourth Proportional to 16,730.78, 23,088.11 and 9,176.97

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Solution

The fourth proportional to 16,730.78, 23,088.11 and 9,176.97 is: 12,664.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,730.78 : 23,088.11 = 9,176.97 : x
  2. Step 2: Convert to fraction form
    16,730.78/23,088.11 = 9,176.97/x
  3. Step 3: Cross multiply
    16,730.78x = 23,088.11 × 9,176.97
  4. Step 4: Simplify right side
    16,730.78x = 211,878,946.02
  5. Step 5: Solve for x
    x = 211,878,946.02/16,730.78
  6. Step 6: Final answer
    x = 12,664.02

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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.