Home / 14,585.61-20,128.37-8,297.94

Finding the Fourth Proportional to 14,585.61, 20,128.37 and 8,297.94

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Solution

The fourth proportional to 14,585.61, 20,128.37 and 8,297.94 is: 11,451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,585.61 : 20,128.37 = 8,297.94 : x
  2. Step 2: Convert to fraction form
    14,585.61/20,128.37 = 8,297.94/x
  3. Step 3: Cross multiply
    14,585.61x = 20,128.37 × 8,297.94
  4. Step 4: Simplify right side
    14,585.61x = 167,023,965.07
  5. Step 5: Solve for x
    x = 167,023,965.07/14,585.61
  6. Step 6: Final answer
    x = 11,451.28

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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.