Home / 14,176.20-19,562.22-7,888.44

Finding the Fourth Proportional to 14,176.20, 19,562.22 and 7,888.44

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Solution

The fourth proportional to 14,176.20, 19,562.22 and 7,888.44 is: 10,885.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.20 : 19,562.22 = 7,888.44 : x
  2. Step 2: Convert to fraction form
    14,176.20/19,562.22 = 7,888.44/x
  3. Step 3: Cross multiply
    14,176.20x = 19,562.22 × 7,888.44
  4. Step 4: Simplify right side
    14,176.20x = 154,315,398.74
  5. Step 5: Solve for x
    x = 154,315,398.74/14,176.20
  6. Step 6: Final answer
    x = 10,885.53

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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.