Home / 19,453.83-29,177.83-5,412.39

Finding the Fourth Proportional to 19,453.83, 29,177.83 and 5,412.39

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Solution

The fourth proportional to 19,453.83, 29,177.83 and 5,412.39 is: 8,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.83 : 29,177.83 = 5,412.39 : x
  2. Step 2: Convert to fraction form
    19,453.83/29,177.83 = 5,412.39/x
  3. Step 3: Cross multiply
    19,453.83x = 29,177.83 × 5,412.39
  4. Step 4: Simplify right side
    19,453.83x = 157,921,795.31
  5. Step 5: Solve for x
    x = 157,921,795.31/19,453.83
  6. Step 6: Final answer
    x = 8,117.77

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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.