Home / 35,805.56-53,708.36-13,613.81

Finding the Fourth Proportional to 35,805.56, 53,708.36 and 13,613.81

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Solution

The fourth proportional to 35,805.56, 53,708.36 and 13,613.81 is: 20,420.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,805.56 : 53,708.36 = 13,613.81 : x
  2. Step 2: Convert to fraction form
    35,805.56/53,708.36 = 13,613.81/x
  3. Step 3: Cross multiply
    35,805.56x = 53,708.36 × 13,613.81
  4. Step 4: Simplify right side
    35,805.56x = 731,175,408.45
  5. Step 5: Solve for x
    x = 731,175,408.45/35,805.56
  6. Step 6: Final answer
    x = 20,420.72

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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.