Home / 25,820.65-35,626.97-16,881.28

Finding the Fourth Proportional to 25,820.65, 35,626.97 and 16,881.28

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Solution

The fourth proportional to 25,820.65, 35,626.97 and 16,881.28 is: 23,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,820.65 : 35,626.97 = 16,881.28 : x
  2. Step 2: Convert to fraction form
    25,820.65/35,626.97 = 16,881.28/x
  3. Step 3: Cross multiply
    25,820.65x = 35,626.97 × 16,881.28
  4. Step 4: Simplify right side
    25,820.65x = 601,428,771.72
  5. Step 5: Solve for x
    x = 601,428,771.72/25,820.65
  6. Step 6: Final answer
    x = 23,292.55

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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.