Home / 25,622.22-38,429.01-8,089.50

Finding the Fourth Proportional to 25,622.22, 38,429.01 and 8,089.50

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Solution

The fourth proportional to 25,622.22, 38,429.01 and 8,089.50 is: 12,132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,622.22 : 38,429.01 = 8,089.50 : x
  2. Step 2: Convert to fraction form
    25,622.22/38,429.01 = 8,089.50/x
  3. Step 3: Cross multiply
    25,622.22x = 38,429.01 × 8,089.50
  4. Step 4: Simplify right side
    25,622.22x = 310,871,476.40
  5. Step 5: Solve for x
    x = 310,871,476.40/25,622.22
  6. Step 6: Final answer
    x = 12,132.89

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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.