Home / 18,867.43-25,995.99-14,085.50

Finding the Fourth Proportional to 18,867.43, 25,995.99 and 14,085.50

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Solution

The fourth proportional to 18,867.43, 25,995.99 and 14,085.50 is: 19,407.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,867.43 : 25,995.99 = 14,085.50 : x
  2. Step 2: Convert to fraction form
    18,867.43/25,995.99 = 14,085.50/x
  3. Step 3: Cross multiply
    18,867.43x = 25,995.99 × 14,085.50
  4. Step 4: Simplify right side
    18,867.43x = 366,166,360.75
  5. Step 5: Solve for x
    x = 366,166,360.75/18,867.43
  6. Step 6: Final answer
    x = 19,407.32

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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.