Home / 14,017.38-21,028.23-4,158.18

Finding the Fourth Proportional to 14,017.38, 21,028.23 and 4,158.18

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Solution

The fourth proportional to 14,017.38, 21,028.23 and 4,158.18 is: 6,237.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017.38 : 21,028.23 = 4,158.18 : x
  2. Step 2: Convert to fraction form
    14,017.38/21,028.23 = 4,158.18/x
  3. Step 3: Cross multiply
    14,017.38x = 21,028.23 × 4,158.18
  4. Step 4: Simplify right side
    14,017.38x = 87,439,165.42
  5. Step 5: Solve for x
    x = 87,439,165.42/14,017.38
  6. Step 6: Final answer
    x = 6,237.91

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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.