Home / 14,006.10-19,328.25-7,718.34

Finding the Fourth Proportional to 14,006.10, 19,328.25 and 7,718.34

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Solution

The fourth proportional to 14,006.10, 19,328.25 and 7,718.34 is: 10,651.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.10 : 19,328.25 = 7,718.34 : x
  2. Step 2: Convert to fraction form
    14,006.10/19,328.25 = 7,718.34/x
  3. Step 3: Cross multiply
    14,006.10x = 19,328.25 × 7,718.34
  4. Step 4: Simplify right side
    14,006.10x = 149,182,005.11
  5. Step 5: Solve for x
    x = 149,182,005.11/14,006.10
  6. Step 6: Final answer
    x = 10,651.22

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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.