Home / 19,557.36-29,331-6,410.16

Finding the Fourth Proportional to 19,557.36, 29,331 and 6,410.16

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Solution

The fourth proportional to 19,557.36, 29,331 and 6,410.16 is: 9,613.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.36 : 29,331 = 6,410.16 : x
  2. Step 2: Convert to fraction form
    19,557.36/29,331 = 6,410.16/x
  3. Step 3: Cross multiply
    19,557.36x = 29,331 × 6,410.16
  4. Step 4: Simplify right side
    19,557.36x = 188,016,402.96
  5. Step 5: Solve for x
    x = 188,016,402.96/19,557.36
  6. Step 6: Final answer
    x = 9,613.59

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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.