Home / 35,403.29-53,105.64-13,212.24

Finding the Fourth Proportional to 35,403.29, 53,105.64 and 13,212.24

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Solution

The fourth proportional to 35,403.29, 53,105.64 and 13,212.24 is: 19,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,403.29 : 53,105.64 = 13,212.24 : x
  2. Step 2: Convert to fraction form
    35,403.29/53,105.64 = 13,212.24/x
  3. Step 3: Cross multiply
    35,403.29x = 53,105.64 × 13,212.24
  4. Step 4: Simplify right side
    35,403.29x = 701,644,436.02
  5. Step 5: Solve for x
    x = 701,644,436.02/35,403.29
  6. Step 6: Final answer
    x = 19,818.62

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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.