Home / 25,554.98-35,258.79-15,343.36

Finding the Fourth Proportional to 25,554.98, 35,258.79 and 15,343.36

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Solution

The fourth proportional to 25,554.98, 35,258.79 and 15,343.36 is: 21,169.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,554.98 : 35,258.79 = 15,343.36 : x
  2. Step 2: Convert to fraction form
    25,554.98/35,258.79 = 15,343.36/x
  3. Step 3: Cross multiply
    25,554.98x = 35,258.79 × 15,343.36
  4. Step 4: Simplify right side
    25,554.98x = 540,988,308.13
  5. Step 5: Solve for x
    x = 540,988,308.13/25,554.98
  6. Step 6: Final answer
    x = 21,169.58

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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.