Home / 23,991.84-33,108.30-13,920.12

Finding the Fourth Proportional to 23,991.84, 33,108.30 and 13,920.12

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Solution

The fourth proportional to 23,991.84, 33,108.30 and 13,920.12 is: 19,209.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,991.84 : 33,108.30 = 13,920.12 : x
  2. Step 2: Convert to fraction form
    23,991.84/33,108.30 = 13,920.12/x
  3. Step 3: Cross multiply
    23,991.84x = 33,108.30 × 13,920.12
  4. Step 4: Simplify right side
    23,991.84x = 460,871,509.00
  5. Step 5: Solve for x
    x = 460,871,509.00/23,991.84
  6. Step 6: Final answer
    x = 19,209.51

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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.