Home / 22,765.70-34,136.40-9,603.20

Finding the Fourth Proportional to 22,765.70, 34,136.40 and 9,603.20

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Solution

The fourth proportional to 22,765.70, 34,136.40 and 9,603.20 is: 14,399.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765.70 : 34,136.40 = 9,603.20 : x
  2. Step 2: Convert to fraction form
    22,765.70/34,136.40 = 9,603.20/x
  3. Step 3: Cross multiply
    22,765.70x = 34,136.40 × 9,603.20
  4. Step 4: Simplify right side
    22,765.70x = 327,818,676.48
  5. Step 5: Solve for x
    x = 327,818,676.48/22,765.70
  6. Step 6: Final answer
    x = 14,399.67

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1.5x scale

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.