Home / 25,995.90-35,878.75-14,668.61

Finding the Fourth Proportional to 25,995.90, 35,878.75 and 14,668.61

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Solution

The fourth proportional to 25,995.90, 35,878.75 and 14,668.61 is: 20,245.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,995.90 : 35,878.75 = 14,668.61 : x
  2. Step 2: Convert to fraction form
    25,995.90/35,878.75 = 14,668.61/x
  3. Step 3: Cross multiply
    25,995.90x = 35,878.75 × 14,668.61
  4. Step 4: Simplify right side
    25,995.90x = 526,291,257.48
  5. Step 5: Solve for x
    x = 526,291,257.48/25,995.90
  6. Step 6: Final answer
    x = 20,245.17

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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.