Home / 18,606.44-27,911.16-8,740.34

Finding the Fourth Proportional to 18,606.44, 27,911.16 and 8,740.34

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Solution

The fourth proportional to 18,606.44, 27,911.16 and 8,740.34 is: 13,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.44 : 27,911.16 = 8,740.34 : x
  2. Step 2: Convert to fraction form
    18,606.44/27,911.16 = 8,740.34/x
  3. Step 3: Cross multiply
    18,606.44x = 27,911.16 × 8,740.34
  4. Step 4: Simplify right side
    18,606.44x = 243,952,888.64
  5. Step 5: Solve for x
    x = 243,952,888.64/18,606.44
  6. Step 6: Final answer
    x = 13,111.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.