Home / 14,999.45-20,703.25-8,626.74

Finding the Fourth Proportional to 14,999.45, 20,703.25 and 8,626.74

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Solution

The fourth proportional to 14,999.45, 20,703.25 and 8,626.74 is: 11,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.45 : 20,703.25 = 8,626.74 : x
  2. Step 2: Convert to fraction form
    14,999.45/20,703.25 = 8,626.74/x
  3. Step 3: Cross multiply
    14,999.45x = 20,703.25 × 8,626.74
  4. Step 4: Simplify right side
    14,999.45x = 178,601,533.34
  5. Step 5: Solve for x
    x = 178,601,533.34/14,999.45
  6. Step 6: Final answer
    x = 11,907.20

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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.