Home / 14,006.24-19,328.52-7,718.48

Finding the Fourth Proportional to 14,006.24, 19,328.52 and 7,718.48

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Solution

The fourth proportional to 14,006.24, 19,328.52 and 7,718.48 is: 10,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.24 : 19,328.52 = 7,718.48 : x
  2. Step 2: Convert to fraction form
    14,006.24/19,328.52 = 7,718.48/x
  3. Step 3: Cross multiply
    14,006.24x = 19,328.52 × 7,718.48
  4. Step 4: Simplify right side
    14,006.24x = 149,186,795.05
  5. Step 5: Solve for x
    x = 149,186,795.05/14,006.24
  6. Step 6: Final answer
    x = 10,651.45

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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.