Home / 14,837.06-20,475.16-8,122.74

Finding the Fourth Proportional to 14,837.06, 20,475.16 and 8,122.74

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Solution

The fourth proportional to 14,837.06, 20,475.16 and 8,122.74 is: 11,209.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,837.06 : 20,475.16 = 8,122.74 : x
  2. Step 2: Convert to fraction form
    14,837.06/20,475.16 = 8,122.74/x
  3. Step 3: Cross multiply
    14,837.06x = 20,475.16 × 8,122.74
  4. Step 4: Simplify right side
    14,837.06x = 166,314,401.14
  5. Step 5: Solve for x
    x = 166,314,401.14/14,837.06
  6. Step 6: Final answer
    x = 11,209.39

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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.