Home / 20,543.04-30,653.19-19,289.16

Finding the Fourth Proportional to 20,543.04, 30,653.19 and 19,289.16

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Solution

The fourth proportional to 20,543.04, 30,653.19 and 19,289.16 is: 28,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,543.04 : 30,653.19 = 19,289.16 : x
  2. Step 2: Convert to fraction form
    20,543.04/30,653.19 = 19,289.16/x
  3. Step 3: Cross multiply
    20,543.04x = 30,653.19 × 19,289.16
  4. Step 4: Simplify right side
    20,543.04x = 591,274,286.42
  5. Step 5: Solve for x
    x = 591,274,286.42/20,543.04
  6. Step 6: Final answer
    x = 28,782.22

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.