Home / 14,176.96-19,563.88-7,716.40

Finding the Fourth Proportional to 14,176.96, 19,563.88 and 7,716.40

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Solution

The fourth proportional to 14,176.96, 19,563.88 and 7,716.40 is: 10,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.96 : 19,563.88 = 7,716.40 : x
  2. Step 2: Convert to fraction form
    14,176.96/19,563.88 = 7,716.40/x
  3. Step 3: Cross multiply
    14,176.96x = 19,563.88 × 7,716.40
  4. Step 4: Simplify right side
    14,176.96x = 150,962,723.63
  5. Step 5: Solve for x
    x = 150,962,723.63/14,176.96
  6. Step 6: Final answer
    x = 10,648.46

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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.