Home / 19,687.02-29,527.76-5,648.26

Finding the Fourth Proportional to 19,687.02, 29,527.76 and 5,648.26

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Solution

The fourth proportional to 19,687.02, 29,527.76 and 5,648.26 is: 8,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.02 : 29,527.76 = 5,648.26 : x
  2. Step 2: Convert to fraction form
    19,687.02/29,527.76 = 5,648.26/x
  3. Step 3: Cross multiply
    19,687.02x = 29,527.76 × 5,648.26
  4. Step 4: Simplify right side
    19,687.02x = 166,780,465.70
  5. Step 5: Solve for x
    x = 166,780,465.70/19,687.02
  6. Step 6: Final answer
    x = 8,471.60

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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.