Home / 13,853.04-19,124.96-9,145.59

Finding the Fourth Proportional to 13,853.04, 19,124.96 and 9,145.59

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Solution

The fourth proportional to 13,853.04, 19,124.96 and 9,145.59 is: 12,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.04 : 19,124.96 = 9,145.59 : x
  2. Step 2: Convert to fraction form
    13,853.04/19,124.96 = 9,145.59/x
  3. Step 3: Cross multiply
    13,853.04x = 19,124.96 × 9,145.59
  4. Step 4: Simplify right side
    13,853.04x = 174,908,997.20
  5. Step 5: Solve for x
    x = 174,908,997.20/13,853.04
  6. Step 6: Final answer
    x = 12,626.04

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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.