Home / 25,642.36-35,373.88-19,967.08

Finding the Fourth Proportional to 25,642.36, 35,373.88 and 19,967.08

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Solution

The fourth proportional to 25,642.36, 35,373.88 and 19,967.08 is: 27,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,642.36 : 35,373.88 = 19,967.08 : x
  2. Step 2: Convert to fraction form
    25,642.36/35,373.88 = 19,967.08/x
  3. Step 3: Cross multiply
    25,642.36x = 35,373.88 × 19,967.08
  4. Step 4: Simplify right side
    25,642.36x = 706,313,091.87
  5. Step 5: Solve for x
    x = 706,313,091.87/25,642.36
  6. Step 6: Final answer
    x = 27,544.78

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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.