Home / 15,558.45-23,337.46-3,871.77

Finding the Fourth Proportional to 15,558.45, 23,337.46 and 3,871.77

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Solution

The fourth proportional to 15,558.45, 23,337.46 and 3,871.77 is: 5,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.45 : 23,337.46 = 3,871.77 : x
  2. Step 2: Convert to fraction form
    15,558.45/23,337.46 = 3,871.77/x
  3. Step 3: Cross multiply
    15,558.45x = 23,337.46 × 3,871.77
  4. Step 4: Simplify right side
    15,558.45x = 90,357,277.50
  5. Step 5: Solve for x
    x = 90,357,277.50/15,558.45
  6. Step 6: Final answer
    x = 5,807.60

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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.