Home / 13,891.16-19,152.23-10,111.29

Finding the Fourth Proportional to 13,891.16, 19,152.23 and 10,111.29

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Solution

The fourth proportional to 13,891.16, 19,152.23 and 10,111.29 is: 13,940.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.16 : 19,152.23 = 10,111.29 : x
  2. Step 2: Convert to fraction form
    13,891.16/19,152.23 = 10,111.29/x
  3. Step 3: Cross multiply
    13,891.16x = 19,152.23 × 10,111.29
  4. Step 4: Simplify right side
    13,891.16x = 193,653,701.12
  5. Step 5: Solve for x
    x = 193,653,701.12/13,891.16
  6. Step 6: Final answer
    x = 13,940.79

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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.