Home / 15,907.04-21,951.12-8,833.44

Finding the Fourth Proportional to 15,907.04, 21,951.12 and 8,833.44

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Solution

The fourth proportional to 15,907.04, 21,951.12 and 8,833.44 is: 12,189.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907.04 : 21,951.12 = 8,833.44 : x
  2. Step 2: Convert to fraction form
    15,907.04/21,951.12 = 8,833.44/x
  3. Step 3: Cross multiply
    15,907.04x = 21,951.12 × 8,833.44
  4. Step 4: Simplify right side
    15,907.04x = 193,903,901.45
  5. Step 5: Solve for x
    x = 193,903,901.45/15,907.04
  6. Step 6: Final answer
    x = 12,189.82

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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.