Home / 16,939.86-23,377.02-9,283.10

Finding the Fourth Proportional to 16,939.86, 23,377.02 and 9,283.10

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Solution

The fourth proportional to 16,939.86, 23,377.02 and 9,283.10 is: 12,810.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.86 : 23,377.02 = 9,283.10 : x
  2. Step 2: Convert to fraction form
    16,939.86/23,377.02 = 9,283.10/x
  3. Step 3: Cross multiply
    16,939.86x = 23,377.02 × 9,283.10
  4. Step 4: Simplify right side
    16,939.86x = 217,011,214.36
  5. Step 5: Solve for x
    x = 217,011,214.36/16,939.86
  6. Step 6: Final answer
    x = 12,810.69

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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.