Home / 13,821.48-19,073.16-7,853.04

Finding the Fourth Proportional to 13,821.48, 19,073.16 and 7,853.04

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Solution

The fourth proportional to 13,821.48, 19,073.16 and 7,853.04 is: 10,836.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.48 : 19,073.16 = 7,853.04 : x
  2. Step 2: Convert to fraction form
    13,821.48/19,073.16 = 7,853.04/x
  3. Step 3: Cross multiply
    13,821.48x = 19,073.16 × 7,853.04
  4. Step 4: Simplify right side
    13,821.48x = 149,782,288.41
  5. Step 5: Solve for x
    x = 149,782,288.41/13,821.48
  6. Step 6: Final answer
    x = 10,836.92

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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.