Home / 14,303.35-19,739.91-8,639.83

Finding the Fourth Proportional to 14,303.35, 19,739.91 and 8,639.83

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Solution

The fourth proportional to 14,303.35, 19,739.91 and 8,639.83 is: 11,923.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.35 : 19,739.91 = 8,639.83 : x
  2. Step 2: Convert to fraction form
    14,303.35/19,739.91 = 8,639.83/x
  3. Step 3: Cross multiply
    14,303.35x = 19,739.91 × 8,639.83
  4. Step 4: Simplify right side
    14,303.35x = 170,549,466.62
  5. Step 5: Solve for x
    x = 170,549,466.62/14,303.35
  6. Step 6: Final answer
    x = 11,923.74

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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.