Home / 14,237.86-19,657.49-12,743.18

Finding the Fourth Proportional to 14,237.86, 19,657.49 and 12,743.18

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Solution

The fourth proportional to 14,237.86, 19,657.49 and 12,743.18 is: 17,593.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,237.86 : 19,657.49 = 12,743.18 : x
  2. Step 2: Convert to fraction form
    14,237.86/19,657.49 = 12,743.18/x
  3. Step 3: Cross multiply
    14,237.86x = 19,657.49 × 12,743.18
  4. Step 4: Simplify right side
    14,237.86x = 250,498,933.42
  5. Step 5: Solve for x
    x = 250,498,933.42/14,237.86
  6. Step 6: Final answer
    x = 17,593.86

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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.