Home / 18,272.84-25,216.98-11,203.16

Finding the Fourth Proportional to 18,272.84, 25,216.98 and 11,203.16

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Solution

The fourth proportional to 18,272.84, 25,216.98 and 11,203.16 is: 15,460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.84 : 25,216.98 = 11,203.16 : x
  2. Step 2: Convert to fraction form
    18,272.84/25,216.98 = 11,203.16/x
  3. Step 3: Cross multiply
    18,272.84x = 25,216.98 × 11,203.16
  4. Step 4: Simplify right side
    18,272.84x = 282,509,861.66
  5. Step 5: Solve for x
    x = 282,509,861.66/18,272.84
  6. Step 6: Final answer
    x = 15,460.64

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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.