Home / 14,006.28-19,328.67-7,718.66

Finding the Fourth Proportional to 14,006.28, 19,328.67 and 7,718.66

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Solution

The fourth proportional to 14,006.28, 19,328.67 and 7,718.66 is: 10,651.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.28 : 19,328.67 = 7,718.66 : x
  2. Step 2: Convert to fraction form
    14,006.28/19,328.67 = 7,718.66/x
  3. Step 3: Cross multiply
    14,006.28x = 19,328.67 × 7,718.66
  4. Step 4: Simplify right side
    14,006.28x = 149,191,335.34
  5. Step 5: Solve for x
    x = 149,191,335.34/14,006.28
  6. Step 6: Final answer
    x = 10,651.75

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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.