Home / 14,089.70-19,444.14-7,716.64

Finding the Fourth Proportional to 14,089.70, 19,444.14 and 7,716.64

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Solution

The fourth proportional to 14,089.70, 19,444.14 and 7,716.64 is: 10,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.70 : 19,444.14 = 7,716.64 : x
  2. Step 2: Convert to fraction form
    14,089.70/19,444.14 = 7,716.64/x
  3. Step 3: Cross multiply
    14,089.70x = 19,444.14 × 7,716.64
  4. Step 4: Simplify right side
    14,089.70x = 150,043,428.49
  5. Step 5: Solve for x
    x = 150,043,428.49/14,089.70
  6. Step 6: Final answer
    x = 10,649.16

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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.