Home / 14,031.90-19,364.31-7,658.62

Finding the Fourth Proportional to 14,031.90, 19,364.31 and 7,658.62

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Solution

The fourth proportional to 14,031.90, 19,364.31 and 7,658.62 is: 10,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.90 : 19,364.31 = 7,658.62 : x
  2. Step 2: Convert to fraction form
    14,031.90/19,364.31 = 7,658.62/x
  3. Step 3: Cross multiply
    14,031.90x = 19,364.31 × 7,658.62
  4. Step 4: Simplify right side
    14,031.90x = 148,303,843.44
  5. Step 5: Solve for x
    x = 148,303,843.44/14,031.90
  6. Step 6: Final answer
    x = 10,569.05

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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.