Home / 19,621.96-29,432.70-4,831.01

Finding the Fourth Proportional to 19,621.96, 29,432.70 and 4,831.01

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Solution

The fourth proportional to 19,621.96, 29,432.70 and 4,831.01 is: 7,246.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.96 : 29,432.70 = 4,831.01 : x
  2. Step 2: Convert to fraction form
    19,621.96/29,432.70 = 4,831.01/x
  3. Step 3: Cross multiply
    19,621.96x = 29,432.70 × 4,831.01
  4. Step 4: Simplify right side
    19,621.96x = 142,189,651.62
  5. Step 5: Solve for x
    x = 142,189,651.62/19,621.96
  6. Step 6: Final answer
    x = 7,246.45

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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.