Home / 14,123.07-21,184.75-4,262.43

Finding the Fourth Proportional to 14,123.07, 21,184.75 and 4,262.43

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Solution

The fourth proportional to 14,123.07, 21,184.75 and 4,262.43 is: 6,393.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.07 : 21,184.75 = 4,262.43 : x
  2. Step 2: Convert to fraction form
    14,123.07/21,184.75 = 4,262.43/x
  3. Step 3: Cross multiply
    14,123.07x = 21,184.75 × 4,262.43
  4. Step 4: Simplify right side
    14,123.07x = 90,298,513.94
  5. Step 5: Solve for x
    x = 90,298,513.94/14,123.07
  6. Step 6: Final answer
    x = 6,393.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.