Home / 14,259.44-21,356.87-6,869.21

Finding the Fourth Proportional to 14,259.44, 21,356.87 and 6,869.21

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Solution

The fourth proportional to 14,259.44, 21,356.87 and 6,869.21 is: 10,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.44 : 21,356.87 = 6,869.21 : x
  2. Step 2: Convert to fraction form
    14,259.44/21,356.87 = 6,869.21/x
  3. Step 3: Cross multiply
    14,259.44x = 21,356.87 × 6,869.21
  4. Step 4: Simplify right side
    14,259.44x = 146,704,683.84
  5. Step 5: Solve for x
    x = 146,704,683.84/14,259.44
  6. Step 6: Final answer
    x = 10,288.25

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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.