Home / 14,483.70-21,725.96-5,122.40

Finding the Fourth Proportional to 14,483.70, 21,725.96 and 5,122.40

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Solution

The fourth proportional to 14,483.70, 21,725.96 and 5,122.40 is: 7,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483.70 : 21,725.96 = 5,122.40 : x
  2. Step 2: Convert to fraction form
    14,483.70/21,725.96 = 5,122.40/x
  3. Step 3: Cross multiply
    14,483.70x = 21,725.96 × 5,122.40
  4. Step 4: Simplify right side
    14,483.70x = 111,288,923.26
  5. Step 5: Solve for x
    x = 111,288,923.26/14,483.70
  6. Step 6: Final answer
    x = 7,683.74

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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.