Home / 13,117.54-19,682.14-6,876.08

Finding the Fourth Proportional to 13,117.54, 19,682.14 and 6,876.08

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Solution

The fourth proportional to 13,117.54, 19,682.14 and 6,876.08 is: 10,317.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.54 : 19,682.14 = 6,876.08 : x
  2. Step 2: Convert to fraction form
    13,117.54/19,682.14 = 6,876.08/x
  3. Step 3: Cross multiply
    13,117.54x = 19,682.14 × 6,876.08
  4. Step 4: Simplify right side
    13,117.54x = 135,335,969.21
  5. Step 5: Solve for x
    x = 135,335,969.21/13,117.54
  6. Step 6: Final answer
    x = 10,317.18

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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.