Home / 14,004.34-19,325.11-7,716.71

Finding the Fourth Proportional to 14,004.34, 19,325.11 and 7,716.71

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Solution

The fourth proportional to 14,004.34, 19,325.11 and 7,716.71 is: 10,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.34 : 19,325.11 = 7,716.71 : x
  2. Step 2: Convert to fraction form
    14,004.34/19,325.11 = 7,716.71/x
  3. Step 3: Cross multiply
    14,004.34x = 19,325.11 × 7,716.71
  4. Step 4: Simplify right side
    14,004.34x = 149,126,250.30
  5. Step 5: Solve for x
    x = 149,126,250.30/14,004.34
  6. Step 6: Final answer
    x = 10,648.58

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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.