Home / 14,016.85-21,028.81-4,656.91

Finding the Fourth Proportional to 14,016.85, 21,028.81 and 4,656.91

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Solution

The fourth proportional to 14,016.85, 21,028.81 and 4,656.91 is: 6,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016.85 : 21,028.81 = 4,656.91 : x
  2. Step 2: Convert to fraction form
    14,016.85/21,028.81 = 4,656.91/x
  3. Step 3: Cross multiply
    14,016.85x = 21,028.81 × 4,656.91
  4. Step 4: Simplify right side
    14,016.85x = 97,929,367.89
  5. Step 5: Solve for x
    x = 97,929,367.89/14,016.85
  6. Step 6: Final answer
    x = 6,986.55

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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.