Home / 14,776.48-20,394.18-8,808.54

Finding the Fourth Proportional to 14,776.48, 20,394.18 and 8,808.54

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Solution

The fourth proportional to 14,776.48, 20,394.18 and 8,808.54 is: 12,157.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776.48 : 20,394.18 = 8,808.54 : x
  2. Step 2: Convert to fraction form
    14,776.48/20,394.18 = 8,808.54/x
  3. Step 3: Cross multiply
    14,776.48x = 20,394.18 × 8,808.54
  4. Step 4: Simplify right side
    14,776.48x = 179,642,950.30
  5. Step 5: Solve for x
    x = 179,642,950.30/14,776.48
  6. Step 6: Final answer
    x = 12,157.36

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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.