Home / 14,231.85-19,639.91-8,267.01

Finding the Fourth Proportional to 14,231.85, 19,639.91 and 8,267.01

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Solution

The fourth proportional to 14,231.85, 19,639.91 and 8,267.01 is: 11,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.85 : 19,639.91 = 8,267.01 : x
  2. Step 2: Convert to fraction form
    14,231.85/19,639.91 = 8,267.01/x
  3. Step 3: Cross multiply
    14,231.85x = 19,639.91 × 8,267.01
  4. Step 4: Simplify right side
    14,231.85x = 162,363,291.03
  5. Step 5: Solve for x
    x = 162,363,291.03/14,231.85
  6. Step 6: Final answer
    x = 11,408.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.