Home / 14,438.03-19,923.84-8,065.35

Finding the Fourth Proportional to 14,438.03, 19,923.84 and 8,065.35

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Solution

The fourth proportional to 14,438.03, 19,923.84 and 8,065.35 is: 11,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.03 : 19,923.84 = 8,065.35 : x
  2. Step 2: Convert to fraction form
    14,438.03/19,923.84 = 8,065.35/x
  3. Step 3: Cross multiply
    14,438.03x = 19,923.84 × 8,065.35
  4. Step 4: Simplify right side
    14,438.03x = 160,692,742.94
  5. Step 5: Solve for x
    x = 160,692,742.94/14,438.03
  6. Step 6: Final answer
    x = 11,129.83

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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.