Home / 35,398.85-53,107.47-13,212.39

Finding the Fourth Proportional to 35,398.85, 53,107.47 and 13,212.39

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Solution

The fourth proportional to 35,398.85, 53,107.47 and 13,212.39 is: 19,822.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,398.85 : 53,107.47 = 13,212.39 : x
  2. Step 2: Convert to fraction form
    35,398.85/53,107.47 = 13,212.39/x
  3. Step 3: Cross multiply
    35,398.85x = 53,107.47 × 13,212.39
  4. Step 4: Simplify right side
    35,398.85x = 701,676,605.55
  5. Step 5: Solve for x
    x = 701,676,605.55/35,398.85
  6. Step 6: Final answer
    x = 19,822.02

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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.