Home / 33,720.98-46,534.14-18,613.60

Finding the Fourth Proportional to 33,720.98, 46,534.14 and 18,613.60

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Solution

The fourth proportional to 33,720.98, 46,534.14 and 18,613.60 is: 25,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,720.98 : 46,534.14 = 18,613.60 : x
  2. Step 2: Convert to fraction form
    33,720.98/46,534.14 = 18,613.60/x
  3. Step 3: Cross multiply
    33,720.98x = 46,534.14 × 18,613.60
  4. Step 4: Simplify right side
    33,720.98x = 866,167,868.30
  5. Step 5: Solve for x
    x = 866,167,868.30/33,720.98
  6. Step 6: Final answer
    x = 25,686.32

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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.