Home / 14,006.13-19,328.86-7,718.91

Finding the Fourth Proportional to 14,006.13, 19,328.86 and 7,718.91

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Solution

The fourth proportional to 14,006.13, 19,328.86 and 7,718.91 is: 10,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.13 : 19,328.86 = 7,718.91 : x
  2. Step 2: Convert to fraction form
    14,006.13/19,328.86 = 7,718.91/x
  3. Step 3: Cross multiply
    14,006.13x = 19,328.86 × 7,718.91
  4. Step 4: Simplify right side
    14,006.13x = 149,197,614.80
  5. Step 5: Solve for x
    x = 149,197,614.80/14,006.13
  6. Step 6: Final answer
    x = 10,652.31

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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.