Home / 14,535.50-21,803.78-5,176.20

Finding the Fourth Proportional to 14,535.50, 21,803.78 and 5,176.20

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Solution

The fourth proportional to 14,535.50, 21,803.78 and 5,176.20 is: 7,764.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,535.50 : 21,803.78 = 5,176.20 : x
  2. Step 2: Convert to fraction form
    14,535.50/21,803.78 = 5,176.20/x
  3. Step 3: Cross multiply
    14,535.50x = 21,803.78 × 5,176.20
  4. Step 4: Simplify right side
    14,535.50x = 112,860,820.74
  5. Step 5: Solve for x
    x = 112,860,820.74/14,535.50
  6. Step 6: Final answer
    x = 7,764.49

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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.