Home / 13,844.65-19,105.67-7,557.13

Finding the Fourth Proportional to 13,844.65, 19,105.67 and 7,557.13

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Solution

The fourth proportional to 13,844.65, 19,105.67 and 7,557.13 is: 10,428.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.65 : 19,105.67 = 7,557.13 : x
  2. Step 2: Convert to fraction form
    13,844.65/19,105.67 = 7,557.13/x
  3. Step 3: Cross multiply
    13,844.65x = 19,105.67 × 7,557.13
  4. Step 4: Simplify right side
    13,844.65x = 144,384,031.93
  5. Step 5: Solve for x
    x = 144,384,031.93/13,844.65
  6. Step 6: Final answer
    x = 10,428.87

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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.