Home / 15,558.60-23,330.60-5,690.98

Finding the Fourth Proportional to 15,558.60, 23,330.60 and 5,690.98

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Solution

The fourth proportional to 15,558.60, 23,330.60 and 5,690.98 is: 8,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.60 : 23,330.60 = 5,690.98 : x
  2. Step 2: Convert to fraction form
    15,558.60/23,330.60 = 5,690.98/x
  3. Step 3: Cross multiply
    15,558.60x = 23,330.60 × 5,690.98
  4. Step 4: Simplify right side
    15,558.60x = 132,773,868.80
  5. Step 5: Solve for x
    x = 132,773,868.80/15,558.60
  6. Step 6: Final answer
    x = 8,533.79

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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.