Home / 25,587.50-38,334.48-18,550.05

Finding the Fourth Proportional to 25,587.50, 38,334.48 and 18,550.05

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Solution

The fourth proportional to 25,587.50, 38,334.48 and 18,550.05 is: 27,791.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,587.50 : 38,334.48 = 18,550.05 : x
  2. Step 2: Convert to fraction form
    25,587.50/38,334.48 = 18,550.05/x
  3. Step 3: Cross multiply
    25,587.50x = 38,334.48 × 18,550.05
  4. Step 4: Simplify right side
    25,587.50x = 711,106,520.72
  5. Step 5: Solve for x
    x = 711,106,520.72/25,587.50
  6. Step 6: Final answer
    x = 27,791.17

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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.