Home / 21,586.35-32,332.65-10,469.67

Finding the Fourth Proportional to 21,586.35, 32,332.65 and 10,469.67

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Solution

The fourth proportional to 21,586.35, 32,332.65 and 10,469.67 is: 15,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,586.35 : 32,332.65 = 10,469.67 : x
  2. Step 2: Convert to fraction form
    21,586.35/32,332.65 = 10,469.67/x
  3. Step 3: Cross multiply
    21,586.35x = 32,332.65 × 10,469.67
  4. Step 4: Simplify right side
    21,586.35x = 338,512,255.98
  5. Step 5: Solve for x
    x = 338,512,255.98/21,586.35
  6. Step 6: Final answer
    x = 15,681.78

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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.