Home / 25,187.06-37,707.64-18,973.25

Finding the Fourth Proportional to 25,187.06, 37,707.64 and 18,973.25

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Solution

The fourth proportional to 25,187.06, 37,707.64 and 18,973.25 is: 28,404.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,187.06 : 37,707.64 = 18,973.25 : x
  2. Step 2: Convert to fraction form
    25,187.06/37,707.64 = 18,973.25/x
  3. Step 3: Cross multiply
    25,187.06x = 37,707.64 × 18,973.25
  4. Step 4: Simplify right side
    25,187.06x = 715,436,244.66
  5. Step 5: Solve for x
    x = 715,436,244.66/25,187.06
  6. Step 6: Final answer
    x = 28,404.91

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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.