Home / 19,124.82-28,711.80-14,745.06

Finding the Fourth Proportional to 19,124.82, 28,711.80 and 14,745.06

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Solution

The fourth proportional to 19,124.82, 28,711.80 and 14,745.06 is: 22,136.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,124.82 : 28,711.80 = 14,745.06 : x
  2. Step 2: Convert to fraction form
    19,124.82/28,711.80 = 14,745.06/x
  3. Step 3: Cross multiply
    19,124.82x = 28,711.80 × 14,745.06
  4. Step 4: Simplify right side
    19,124.82x = 423,357,213.71
  5. Step 5: Solve for x
    x = 423,357,213.71/19,124.82
  6. Step 6: Final answer
    x = 22,136.53

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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.