Home / 16,247.50-22,421.56-8,795.50

Finding the Fourth Proportional to 16,247.50, 22,421.56 and 8,795.50

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Solution

The fourth proportional to 16,247.50, 22,421.56 and 8,795.50 is: 12,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,247.50 : 22,421.56 = 8,795.50 : x
  2. Step 2: Convert to fraction form
    16,247.50/22,421.56 = 8,795.50/x
  3. Step 3: Cross multiply
    16,247.50x = 22,421.56 × 8,795.50
  4. Step 4: Simplify right side
    16,247.50x = 197,208,830.98
  5. Step 5: Solve for x
    x = 197,208,830.98/16,247.50
  6. Step 6: Final answer
    x = 12,137.80

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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.