Home / 18,152.33-25,058.63-12,112.61

Finding the Fourth Proportional to 18,152.33, 25,058.63 and 12,112.61

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Solution

The fourth proportional to 18,152.33, 25,058.63 and 12,112.61 is: 16,721.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.33 : 25,058.63 = 12,112.61 : x
  2. Step 2: Convert to fraction form
    18,152.33/25,058.63 = 12,112.61/x
  3. Step 3: Cross multiply
    18,152.33x = 25,058.63 × 12,112.61
  4. Step 4: Simplify right side
    18,152.33x = 303,525,412.32
  5. Step 5: Solve for x
    x = 303,525,412.32/18,152.33
  6. Step 6: Final answer
    x = 16,721.02

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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.