Home / 13,998.13-19,320.26-8,033.90

Finding the Fourth Proportional to 13,998.13, 19,320.26 and 8,033.90

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Solution

The fourth proportional to 13,998.13, 19,320.26 and 8,033.90 is: 11,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.13 : 19,320.26 = 8,033.90 : x
  2. Step 2: Convert to fraction form
    13,998.13/19,320.26 = 8,033.90/x
  3. Step 3: Cross multiply
    13,998.13x = 19,320.26 × 8,033.90
  4. Step 4: Simplify right side
    13,998.13x = 155,216,900.04
  5. Step 5: Solve for x
    x = 155,216,900.04/13,998.13
  6. Step 6: Final answer
    x = 11,088.40

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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.