Home / 16,943.08-23,380.08-9,389.74

Finding the Fourth Proportional to 16,943.08, 23,380.08 and 9,389.74

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Solution

The fourth proportional to 16,943.08, 23,380.08 and 9,389.74 is: 12,957.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.08 : 23,380.08 = 9,389.74 : x
  2. Step 2: Convert to fraction form
    16,943.08/23,380.08 = 9,389.74/x
  3. Step 3: Cross multiply
    16,943.08x = 23,380.08 × 9,389.74
  4. Step 4: Simplify right side
    16,943.08x = 219,532,872.38
  5. Step 5: Solve for x
    x = 219,532,872.38/16,943.08
  6. Step 6: Final answer
    x = 12,957.08

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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.