Home / 14,006.06-19,328.57-7,718.30

Finding the Fourth Proportional to 14,006.06, 19,328.57 and 7,718.30

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Solution

The fourth proportional to 14,006.06, 19,328.57 and 7,718.30 is: 10,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.06 : 19,328.57 = 7,718.30 : x
  2. Step 2: Convert to fraction form
    14,006.06/19,328.57 = 7,718.30/x
  3. Step 3: Cross multiply
    14,006.06x = 19,328.57 × 7,718.30
  4. Step 4: Simplify right side
    14,006.06x = 149,183,566.60
  5. Step 5: Solve for x
    x = 149,183,566.60/14,006.06
  6. Step 6: Final answer
    x = 10,651.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.