Home / 74,666.90-111,998.91-18,507.13

Finding the Fourth Proportional to 74,666.90, 111,998.91 and 18,507.13

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Solution

The fourth proportional to 74,666.90, 111,998.91 and 18,507.13 is: 27,760.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,666.90 : 111,998.91 = 18,507.13 : x
  2. Step 2: Convert to fraction form
    74,666.90/111,998.91 = 18,507.13/x
  3. Step 3: Cross multiply
    74,666.90x = 111,998.91 × 18,507.13
  4. Step 4: Simplify right side
    74,666.90x = 2,072,777,827.23
  5. Step 5: Solve for x
    x = 2,072,777,827.23/74,666.90
  6. Step 6: Final answer
    x = 27,760.33

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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.