Home / 28,743.42-43,136.10-14,715.18

Finding the Fourth Proportional to 28,743.42, 43,136.10 and 14,715.18

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Solution

The fourth proportional to 28,743.42, 43,136.10 and 14,715.18 is: 22,083.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.42 : 43,136.10 = 14,715.18 : x
  2. Step 2: Convert to fraction form
    28,743.42/43,136.10 = 14,715.18/x
  3. Step 3: Cross multiply
    28,743.42x = 43,136.10 × 14,715.18
  4. Step 4: Simplify right side
    28,743.42x = 634,755,476.00
  5. Step 5: Solve for x
    x = 634,755,476.00/28,743.42
  6. Step 6: Final answer
    x = 22,083.51

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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.