Home / 13,535.51-20,306.73-5,635.40

Finding the Fourth Proportional to 13,535.51, 20,306.73 and 5,635.40

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Solution

The fourth proportional to 13,535.51, 20,306.73 and 5,635.40 is: 8,454.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.51 : 20,306.73 = 5,635.40 : x
  2. Step 2: Convert to fraction form
    13,535.51/20,306.73 = 5,635.40/x
  3. Step 3: Cross multiply
    13,535.51x = 20,306.73 × 5,635.40
  4. Step 4: Simplify right side
    13,535.51x = 114,436,518.07
  5. Step 5: Solve for x
    x = 114,436,518.07/13,535.51
  6. Step 6: Final answer
    x = 8,454.54

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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.