Home / 14,031.08-19,363.06-7,743.72

Finding the Fourth Proportional to 14,031.08, 19,363.06 and 7,743.72

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Solution

The fourth proportional to 14,031.08, 19,363.06 and 7,743.72 is: 10,686.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.08 : 19,363.06 = 7,743.72 : x
  2. Step 2: Convert to fraction form
    14,031.08/19,363.06 = 7,743.72/x
  3. Step 3: Cross multiply
    14,031.08x = 19,363.06 × 7,743.72
  4. Step 4: Simplify right side
    14,031.08x = 149,942,114.98
  5. Step 5: Solve for x
    x = 149,942,114.98/14,031.08
  6. Step 6: Final answer
    x = 10,686.43

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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.