Home / 18,573.16-25,629.70-10,188.04

Finding the Fourth Proportional to 18,573.16, 25,629.70 and 10,188.04

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Solution

The fourth proportional to 18,573.16, 25,629.70 and 10,188.04 is: 14,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.16 : 25,629.70 = 10,188.04 : x
  2. Step 2: Convert to fraction form
    18,573.16/25,629.70 = 10,188.04/x
  3. Step 3: Cross multiply
    18,573.16x = 25,629.70 × 10,188.04
  4. Step 4: Simplify right side
    18,573.16x = 261,116,408.79
  5. Step 5: Solve for x
    x = 261,116,408.79/18,573.16
  6. Step 6: Final answer
    x = 14,058.80

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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.