Home / 14,440.88-21,658.20-8,432.94

Finding the Fourth Proportional to 14,440.88, 21,658.20 and 8,432.94

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Solution

The fourth proportional to 14,440.88, 21,658.20 and 8,432.94 is: 12,647.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.88 : 21,658.20 = 8,432.94 : x
  2. Step 2: Convert to fraction form
    14,440.88/21,658.20 = 8,432.94/x
  3. Step 3: Cross multiply
    14,440.88x = 21,658.20 × 8,432.94
  4. Step 4: Simplify right side
    14,440.88x = 182,642,301.11
  5. Step 5: Solve for x
    x = 182,642,301.11/14,440.88
  6. Step 6: Final answer
    x = 12,647.59

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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.