Home / 12,833.36-19,256.42-7,207.54

Finding the Fourth Proportional to 12,833.36, 19,256.42 and 7,207.54

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Solution

The fourth proportional to 12,833.36, 19,256.42 and 7,207.54 is: 10,814.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,833.36 : 19,256.42 = 7,207.54 : x
  2. Step 2: Convert to fraction form
    12,833.36/19,256.42 = 7,207.54/x
  3. Step 3: Cross multiply
    12,833.36x = 19,256.42 × 7,207.54
  4. Step 4: Simplify right side
    12,833.36x = 138,791,417.41
  5. Step 5: Solve for x
    x = 138,791,417.41/12,833.36
  6. Step 6: Final answer
    x = 10,814.89

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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.