Home / 18,117.09-25,001.58-10,563.75

Finding the Fourth Proportional to 18,117.09, 25,001.58 and 10,563.75

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Solution

The fourth proportional to 18,117.09, 25,001.58 and 10,563.75 is: 14,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.09 : 25,001.58 = 10,563.75 : x
  2. Step 2: Convert to fraction form
    18,117.09/25,001.58 = 10,563.75/x
  3. Step 3: Cross multiply
    18,117.09x = 25,001.58 × 10,563.75
  4. Step 4: Simplify right side
    18,117.09x = 264,110,440.73
  5. Step 5: Solve for x
    x = 264,110,440.73/18,117.09
  6. Step 6: Final answer
    x = 14,577.97

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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.