Home / 14,340.29-19,813.36-11,338.38

Finding the Fourth Proportional to 14,340.29, 19,813.36 and 11,338.38

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Solution

The fourth proportional to 14,340.29, 19,813.36 and 11,338.38 is: 15,665.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.29 : 19,813.36 = 11,338.38 : x
  2. Step 2: Convert to fraction form
    14,340.29/19,813.36 = 11,338.38/x
  3. Step 3: Cross multiply
    14,340.29x = 19,813.36 × 11,338.38
  4. Step 4: Simplify right side
    14,340.29x = 224,651,397.67
  5. Step 5: Solve for x
    x = 224,651,397.67/14,340.29
  6. Step 6: Final answer
    x = 15,665.75

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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.