Home / 13,307.76-19,961.34-5,410.26

Finding the Fourth Proportional to 13,307.76, 19,961.34 and 5,410.26

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Solution

The fourth proportional to 13,307.76, 19,961.34 and 5,410.26 is: 8,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.76 : 19,961.34 = 5,410.26 : x
  2. Step 2: Convert to fraction form
    13,307.76/19,961.34 = 5,410.26/x
  3. Step 3: Cross multiply
    13,307.76x = 19,961.34 × 5,410.26
  4. Step 4: Simplify right side
    13,307.76x = 107,996,039.35
  5. Step 5: Solve for x
    x = 107,996,039.35/13,307.76
  6. Step 6: Final answer
    x = 8,115.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.