Home / 25,878.75-35,739.78-17,833.32

Finding the Fourth Proportional to 25,878.75, 35,739.78 and 17,833.32

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Solution

The fourth proportional to 25,878.75, 35,739.78 and 17,833.32 is: 24,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,878.75 : 35,739.78 = 17,833.32 : x
  2. Step 2: Convert to fraction form
    25,878.75/35,739.78 = 17,833.32/x
  3. Step 3: Cross multiply
    25,878.75x = 35,739.78 × 17,833.32
  4. Step 4: Simplify right side
    25,878.75x = 637,358,933.47
  5. Step 5: Solve for x
    x = 637,358,933.47/25,878.75
  6. Step 6: Final answer
    x = 24,628.66

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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.