Home / 15,551.53-23,330.77-5,690.72

Finding the Fourth Proportional to 15,551.53, 23,330.77 and 5,690.72

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Solution

The fourth proportional to 15,551.53, 23,330.77 and 5,690.72 is: 8,537.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.53 : 23,330.77 = 5,690.72 : x
  2. Step 2: Convert to fraction form
    15,551.53/23,330.77 = 5,690.72/x
  3. Step 3: Cross multiply
    15,551.53x = 23,330.77 × 5,690.72
  4. Step 4: Simplify right side
    15,551.53x = 132,768,923.55
  5. Step 5: Solve for x
    x = 132,768,923.55/15,551.53
  6. Step 6: Final answer
    x = 8,537.36

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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.