Home / 18,721.35-25,832.52-10,762.02

Finding the Fourth Proportional to 18,721.35, 25,832.52 and 10,762.02

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Solution

The fourth proportional to 18,721.35, 25,832.52 and 10,762.02 is: 14,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,721.35 : 25,832.52 = 10,762.02 : x
  2. Step 2: Convert to fraction form
    18,721.35/25,832.52 = 10,762.02/x
  3. Step 3: Cross multiply
    18,721.35x = 25,832.52 × 10,762.02
  4. Step 4: Simplify right side
    18,721.35x = 278,010,096.89
  5. Step 5: Solve for x
    x = 278,010,096.89/18,721.35
  6. Step 6: Final answer
    x = 14,849.90

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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.