Home / 14,484.36-21,728.16-4,621.40

Finding the Fourth Proportional to 14,484.36, 21,728.16 and 4,621.40

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Solution

The fourth proportional to 14,484.36, 21,728.16 and 4,621.40 is: 6,932.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484.36 : 21,728.16 = 4,621.40 : x
  2. Step 2: Convert to fraction form
    14,484.36/21,728.16 = 4,621.40/x
  3. Step 3: Cross multiply
    14,484.36x = 21,728.16 × 4,621.40
  4. Step 4: Simplify right side
    14,484.36x = 100,414,518.62
  5. Step 5: Solve for x
    x = 100,414,518.62/14,484.36
  6. Step 6: Final answer
    x = 6,932.62

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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.