Home / 13,057.99-19,545.67-8,371.74

Finding the Fourth Proportional to 13,057.99, 19,545.67 and 8,371.74

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Solution

The fourth proportional to 13,057.99, 19,545.67 and 8,371.74 is: 12,531.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.99 : 19,545.67 = 8,371.74 : x
  2. Step 2: Convert to fraction form
    13,057.99/19,545.67 = 8,371.74/x
  3. Step 3: Cross multiply
    13,057.99x = 19,545.67 × 8,371.74
  4. Step 4: Simplify right side
    13,057.99x = 163,631,267.37
  5. Step 5: Solve for x
    x = 163,631,267.37/13,057.99
  6. Step 6: Final answer
    x = 12,531.12

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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.