Home / 19,136.40-28,726.20-14,773.20

Finding the Fourth Proportional to 19,136.40, 28,726.20 and 14,773.20

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Solution

The fourth proportional to 19,136.40, 28,726.20 and 14,773.20 is: 22,176.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.40 : 28,726.20 = 14,773.20 : x
  2. Step 2: Convert to fraction form
    19,136.40/28,726.20 = 14,773.20/x
  3. Step 3: Cross multiply
    19,136.40x = 28,726.20 × 14,773.20
  4. Step 4: Simplify right side
    19,136.40x = 424,377,897.84
  5. Step 5: Solve for x
    x = 424,377,897.84/19,136.40
  6. Step 6: Final answer
    x = 22,176.48

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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.