Home / 23,156.94-31,930.74-16,770.90

Finding the Fourth Proportional to 23,156.94, 31,930.74 and 16,770.90

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Solution

The fourth proportional to 23,156.94, 31,930.74 and 16,770.90 is: 23,125.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,156.94 : 31,930.74 = 16,770.90 : x
  2. Step 2: Convert to fraction form
    23,156.94/31,930.74 = 16,770.90/x
  3. Step 3: Cross multiply
    23,156.94x = 31,930.74 × 16,770.90
  4. Step 4: Simplify right side
    23,156.94x = 535,507,247.47
  5. Step 5: Solve for x
    x = 535,507,247.47/23,156.94
  6. Step 6: Final answer
    x = 23,125.13

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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.