Home / 18,572.29-25,629.55-10,188.79

Finding the Fourth Proportional to 18,572.29, 25,629.55 and 10,188.79

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Solution

The fourth proportional to 18,572.29, 25,629.55 and 10,188.79 is: 14,060.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.29 : 25,629.55 = 10,188.79 : x
  2. Step 2: Convert to fraction form
    18,572.29/25,629.55 = 10,188.79/x
  3. Step 3: Cross multiply
    18,572.29x = 25,629.55 × 10,188.79
  4. Step 4: Simplify right side
    18,572.29x = 261,134,102.74
  5. Step 5: Solve for x
    x = 261,134,102.74/18,572.29
  6. Step 6: Final answer
    x = 14,060.41

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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.