Home / 14,086.85-19,419.14-10,723.81

Finding the Fourth Proportional to 14,086.85, 19,419.14 and 10,723.81

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Solution

The fourth proportional to 14,086.85, 19,419.14 and 10,723.81 is: 14,783.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.85 : 19,419.14 = 10,723.81 : x
  2. Step 2: Convert to fraction form
    14,086.85/19,419.14 = 10,723.81/x
  3. Step 3: Cross multiply
    14,086.85x = 19,419.14 × 10,723.81
  4. Step 4: Simplify right side
    14,086.85x = 208,247,114.10
  5. Step 5: Solve for x
    x = 208,247,114.10/14,086.85
  6. Step 6: Final answer
    x = 14,783.09

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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.