Home / 14,318.38-19,759.30-8,030.76

Finding the Fourth Proportional to 14,318.38, 19,759.30 and 8,030.76

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Solution

The fourth proportional to 14,318.38, 19,759.30 and 8,030.76 is: 11,082.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.38 : 19,759.30 = 8,030.76 : x
  2. Step 2: Convert to fraction form
    14,318.38/19,759.30 = 8,030.76/x
  3. Step 3: Cross multiply
    14,318.38x = 19,759.30 × 8,030.76
  4. Step 4: Simplify right side
    14,318.38x = 158,682,196.07
  5. Step 5: Solve for x
    x = 158,682,196.07/14,318.38
  6. Step 6: Final answer
    x = 11,082.41

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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.