Home / 35,934.80-53,899.68-13,441.20

Finding the Fourth Proportional to 35,934.80, 53,899.68 and 13,441.20

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Solution

The fourth proportional to 35,934.80, 53,899.68 and 13,441.20 is: 20,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,934.80 : 53,899.68 = 13,441.20 : x
  2. Step 2: Convert to fraction form
    35,934.80/53,899.68 = 13,441.20/x
  3. Step 3: Cross multiply
    35,934.80x = 53,899.68 × 13,441.20
  4. Step 4: Simplify right side
    35,934.80x = 724,476,378.82
  5. Step 5: Solve for x
    x = 724,476,378.82/35,934.80
  6. Step 6: Final answer
    x = 20,160.86

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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.