Home / 25,955.07-38,947.35-10,161.36

Finding the Fourth Proportional to 25,955.07, 38,947.35 and 10,161.36

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Solution

The fourth proportional to 25,955.07, 38,947.35 and 10,161.36 is: 15,247.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,955.07 : 38,947.35 = 10,161.36 : x
  2. Step 2: Convert to fraction form
    25,955.07/38,947.35 = 10,161.36/x
  3. Step 3: Cross multiply
    25,955.07x = 38,947.35 × 10,161.36
  4. Step 4: Simplify right side
    25,955.07x = 395,758,044.40
  5. Step 5: Solve for x
    x = 395,758,044.40/25,955.07
  6. Step 6: Final answer
    x = 15,247.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.