Home / 33,720.53-46,534.71-18,613.20

Finding the Fourth Proportional to 33,720.53, 46,534.71 and 18,613.20

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Solution

The fourth proportional to 33,720.53, 46,534.71 and 18,613.20 is: 25,686.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,720.53 : 46,534.71 = 18,613.20 : x
  2. Step 2: Convert to fraction form
    33,720.53/46,534.71 = 18,613.20/x
  3. Step 3: Cross multiply
    33,720.53x = 46,534.71 × 18,613.20
  4. Step 4: Simplify right side
    33,720.53x = 866,159,747.84
  5. Step 5: Solve for x
    x = 866,159,747.84/33,720.53
  6. Step 6: Final answer
    x = 25,686.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.