Home / 13,814.47-20,724.59-4,579.75

Finding the Fourth Proportional to 13,814.47, 20,724.59 and 4,579.75

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Solution

The fourth proportional to 13,814.47, 20,724.59 and 4,579.75 is: 6,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.47 : 20,724.59 = 4,579.75 : x
  2. Step 2: Convert to fraction form
    13,814.47/20,724.59 = 4,579.75/x
  3. Step 3: Cross multiply
    13,814.47x = 20,724.59 × 4,579.75
  4. Step 4: Simplify right side
    13,814.47x = 94,913,441.05
  5. Step 5: Solve for x
    x = 94,913,441.05/13,814.47
  6. Step 6: Final answer
    x = 6,870.58

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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.