Home / 14,543.28-21,852.36-14,136.84

Finding the Fourth Proportional to 14,543.28, 21,852.36 and 14,136.84

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Solution

The fourth proportional to 14,543.28, 21,852.36 and 14,136.84 is: 21,241.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.28 : 21,852.36 = 14,136.84 : x
  2. Step 2: Convert to fraction form
    14,543.28/21,852.36 = 14,136.84/x
  3. Step 3: Cross multiply
    14,543.28x = 21,852.36 × 14,136.84
  4. Step 4: Simplify right side
    14,543.28x = 308,923,316.94
  5. Step 5: Solve for x
    x = 308,923,316.94/14,543.28
  6. Step 6: Final answer
    x = 21,241.65

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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.