Home / 14,907.25-20,571.26-8,937.75

Finding the Fourth Proportional to 14,907.25, 20,571.26 and 8,937.75

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Solution

The fourth proportional to 14,907.25, 20,571.26 and 8,937.75 is: 12,333.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,907.25 : 20,571.26 = 8,937.75 : x
  2. Step 2: Convert to fraction form
    14,907.25/20,571.26 = 8,937.75/x
  3. Step 3: Cross multiply
    14,907.25x = 20,571.26 × 8,937.75
  4. Step 4: Simplify right side
    14,907.25x = 183,860,779.07
  5. Step 5: Solve for x
    x = 183,860,779.07/14,907.25
  6. Step 6: Final answer
    x = 12,333.65

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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.