Home / 23,990.57-33,108.61-13,919.01

Finding the Fourth Proportional to 23,990.57, 33,108.61 and 13,919.01

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Solution

The fourth proportional to 23,990.57, 33,108.61 and 13,919.01 is: 19,209.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,990.57 : 33,108.61 = 13,919.01 : x
  2. Step 2: Convert to fraction form
    23,990.57/33,108.61 = 13,919.01/x
  3. Step 3: Cross multiply
    23,990.57x = 33,108.61 × 13,919.01
  4. Step 4: Simplify right side
    23,990.57x = 460,839,004.08
  5. Step 5: Solve for x
    x = 460,839,004.08/23,990.57
  6. Step 6: Final answer
    x = 19,209.18

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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.