Home / 14,006.16-19,328.50-7,718.54

Finding the Fourth Proportional to 14,006.16, 19,328.50 and 7,718.54

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Solution

The fourth proportional to 14,006.16, 19,328.50 and 7,718.54 is: 10,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.16 : 19,328.50 = 7,718.54 : x
  2. Step 2: Convert to fraction form
    14,006.16/19,328.50 = 7,718.54/x
  3. Step 3: Cross multiply
    14,006.16x = 19,328.50 × 7,718.54
  4. Step 4: Simplify right side
    14,006.16x = 149,187,684.45
  5. Step 5: Solve for x
    x = 149,187,684.45/14,006.16
  6. Step 6: Final answer
    x = 10,651.58

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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.