Home / 15,907.86-21,950.76-8,832.90

Finding the Fourth Proportional to 15,907.86, 21,950.76 and 8,832.90

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Solution

The fourth proportional to 15,907.86, 21,950.76 and 8,832.90 is: 12,188.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907.86 : 21,950.76 = 8,832.90 : x
  2. Step 2: Convert to fraction form
    15,907.86/21,950.76 = 8,832.90/x
  3. Step 3: Cross multiply
    15,907.86x = 21,950.76 × 8,832.90
  4. Step 4: Simplify right side
    15,907.86x = 193,888,868.00
  5. Step 5: Solve for x
    x = 193,888,868.00/15,907.86
  6. Step 6: Final answer
    x = 12,188.24

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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.