Home / 13,834.92-19,092.12-7,547.28

Finding the Fourth Proportional to 13,834.92, 19,092.12 and 7,547.28

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Solution

The fourth proportional to 13,834.92, 19,092.12 and 7,547.28 is: 10,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.92 : 19,092.12 = 7,547.28 : x
  2. Step 2: Convert to fraction form
    13,834.92/19,092.12 = 7,547.28/x
  3. Step 3: Cross multiply
    13,834.92x = 19,092.12 × 7,547.28
  4. Step 4: Simplify right side
    13,834.92x = 144,093,575.43
  5. Step 5: Solve for x
    x = 144,093,575.43/13,834.92
  6. Step 6: Final answer
    x = 10,415.21

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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.