Home / 14,738.63-20,347.15-11,835.79

Finding the Fourth Proportional to 14,738.63, 20,347.15 and 11,835.79

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Solution

The fourth proportional to 14,738.63, 20,347.15 and 11,835.79 is: 16,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738.63 : 20,347.15 = 11,835.79 : x
  2. Step 2: Convert to fraction form
    14,738.63/20,347.15 = 11,835.79/x
  3. Step 3: Cross multiply
    14,738.63x = 20,347.15 × 11,835.79
  4. Step 4: Simplify right side
    14,738.63x = 240,824,514.04
  5. Step 5: Solve for x
    x = 240,824,514.04/14,738.63
  6. Step 6: Final answer
    x = 16,339.69

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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.