Home / 13,103.55-19,639.60-6,074.01

Finding the Fourth Proportional to 13,103.55, 19,639.60 and 6,074.01

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Solution

The fourth proportional to 13,103.55, 19,639.60 and 6,074.01 is: 9,103.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.55 : 19,639.60 = 6,074.01 : x
  2. Step 2: Convert to fraction form
    13,103.55/19,639.60 = 6,074.01/x
  3. Step 3: Cross multiply
    13,103.55x = 19,639.60 × 6,074.01
  4. Step 4: Simplify right side
    13,103.55x = 119,291,111.61
  5. Step 5: Solve for x
    x = 119,291,111.61/13,103.55
  6. Step 6: Final answer
    x = 9,103.72

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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.