Home / 18,601.75-25,670.51-10,218.25

Finding the Fourth Proportional to 18,601.75, 25,670.51 and 10,218.25

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Solution

The fourth proportional to 18,601.75, 25,670.51 and 10,218.25 is: 14,101.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.75 : 25,670.51 = 10,218.25 : x
  2. Step 2: Convert to fraction form
    18,601.75/25,670.51 = 10,218.25/x
  3. Step 3: Cross multiply
    18,601.75x = 25,670.51 × 10,218.25
  4. Step 4: Simplify right side
    18,601.75x = 262,307,688.81
  5. Step 5: Solve for x
    x = 262,307,688.81/18,601.75
  6. Step 6: Final answer
    x = 14,101.24

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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.