Home / 14,006.17-19,328.52-7,718.55

Finding the Fourth Proportional to 14,006.17, 19,328.52 and 7,718.55

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Solution

The fourth proportional to 14,006.17, 19,328.52 and 7,718.55 is: 10,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.17 : 19,328.52 = 7,718.55 : x
  2. Step 2: Convert to fraction form
    14,006.17/19,328.52 = 7,718.55/x
  3. Step 3: Cross multiply
    14,006.17x = 19,328.52 × 7,718.55
  4. Step 4: Simplify right side
    14,006.17x = 149,188,148.05
  5. Step 5: Solve for x
    x = 149,188,148.05/14,006.17
  6. Step 6: Final answer
    x = 10,651.60

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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.