Home / 42,883.04-64,324.08-15,174.56

Finding the Fourth Proportional to 42,883.04, 64,324.08 and 15,174.56

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Solution

The fourth proportional to 42,883.04, 64,324.08 and 15,174.56 is: 22,761.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,883.04 : 64,324.08 = 15,174.56 : x
  2. Step 2: Convert to fraction form
    42,883.04/64,324.08 = 15,174.56/x
  3. Step 3: Cross multiply
    42,883.04x = 64,324.08 × 15,174.56
  4. Step 4: Simplify right side
    42,883.04x = 976,089,611.40
  5. Step 5: Solve for x
    x = 976,089,611.40/42,883.04
  6. Step 6: Final answer
    x = 22,761.67

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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.