Home / 14,031.42-19,363.32-7,743.75

Finding the Fourth Proportional to 14,031.42, 19,363.32 and 7,743.75

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Solution

The fourth proportional to 14,031.42, 19,363.32 and 7,743.75 is: 10,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.42 : 19,363.32 = 7,743.75 : x
  2. Step 2: Convert to fraction form
    14,031.42/19,363.32 = 7,743.75/x
  3. Step 3: Cross multiply
    14,031.42x = 19,363.32 × 7,743.75
  4. Step 4: Simplify right side
    14,031.42x = 149,944,709.25
  5. Step 5: Solve for x
    x = 149,944,709.25/14,031.42
  6. Step 6: Final answer
    x = 10,686.35

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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.