Home / 25,815.39-35,619.75-16,876.02

Finding the Fourth Proportional to 25,815.39, 35,619.75 and 16,876.02

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Solution

The fourth proportional to 25,815.39, 35,619.75 and 16,876.02 is: 23,285.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,815.39 : 35,619.75 = 16,876.02 : x
  2. Step 2: Convert to fraction form
    25,815.39/35,619.75 = 16,876.02/x
  3. Step 3: Cross multiply
    25,815.39x = 35,619.75 × 16,876.02
  4. Step 4: Simplify right side
    25,815.39x = 601,119,613.40
  5. Step 5: Solve for x
    x = 601,119,613.40/25,815.39
  6. Step 6: Final answer
    x = 23,285.32

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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.