Home / 14,762.27-20,370.13-8,388.83

Finding the Fourth Proportional to 14,762.27, 20,370.13 and 8,388.83

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Solution

The fourth proportional to 14,762.27, 20,370.13 and 8,388.83 is: 11,575.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762.27 : 20,370.13 = 8,388.83 : x
  2. Step 2: Convert to fraction form
    14,762.27/20,370.13 = 8,388.83/x
  3. Step 3: Cross multiply
    14,762.27x = 20,370.13 × 8,388.83
  4. Step 4: Simplify right side
    14,762.27x = 170,881,634.79
  5. Step 5: Solve for x
    x = 170,881,634.79/14,762.27
  6. Step 6: Final answer
    x = 11,575.57

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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.