Home / 13,508.48-20,261.04-5,716.32

Finding the Fourth Proportional to 13,508.48, 20,261.04 and 5,716.32

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Solution

The fourth proportional to 13,508.48, 20,261.04 and 5,716.32 is: 8,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.48 : 20,261.04 = 5,716.32 : x
  2. Step 2: Convert to fraction form
    13,508.48/20,261.04 = 5,716.32/x
  3. Step 3: Cross multiply
    13,508.48x = 20,261.04 × 5,716.32
  4. Step 4: Simplify right side
    13,508.48x = 115,818,588.17
  5. Step 5: Solve for x
    x = 115,818,588.17/13,508.48
  6. Step 6: Final answer
    x = 8,573.77

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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.