Home / 30,014.56-41,420.19-16,585.78

Finding the Fourth Proportional to 30,014.56, 41,420.19 and 16,585.78

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Solution

The fourth proportional to 30,014.56, 41,420.19 and 16,585.78 is: 22,888.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,014.56 : 41,420.19 = 16,585.78 : x
  2. Step 2: Convert to fraction form
    30,014.56/41,420.19 = 16,585.78/x
  3. Step 3: Cross multiply
    30,014.56x = 41,420.19 × 16,585.78
  4. Step 4: Simplify right side
    30,014.56x = 686,986,158.90
  5. Step 5: Solve for x
    x = 686,986,158.90/30,014.56
  6. Step 6: Final answer
    x = 22,888.43

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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.