Home / 14,961.63-20,641.26-8,585.91

Finding the Fourth Proportional to 14,961.63, 20,641.26 and 8,585.91

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Solution

The fourth proportional to 14,961.63, 20,641.26 and 8,585.91 is: 11,845.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.63 : 20,641.26 = 8,585.91 : x
  2. Step 2: Convert to fraction form
    14,961.63/20,641.26 = 8,585.91/x
  3. Step 3: Cross multiply
    14,961.63x = 20,641.26 × 8,585.91
  4. Step 4: Simplify right side
    14,961.63x = 177,224,000.65
  5. Step 5: Solve for x
    x = 177,224,000.65/14,961.63
  6. Step 6: Final answer
    x = 11,845.23

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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.