Home / 14,962.63-20,642.64-8,586.91

Finding the Fourth Proportional to 14,962.63, 20,642.64 and 8,586.91

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Solution

The fourth proportional to 14,962.63, 20,642.64 and 8,586.91 is: 11,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.63 : 20,642.64 = 8,586.91 : x
  2. Step 2: Convert to fraction form
    14,962.63/20,642.64 = 8,586.91/x
  3. Step 3: Cross multiply
    14,962.63x = 20,642.64 × 8,586.91
  4. Step 4: Simplify right side
    14,962.63x = 177,256,491.84
  5. Step 5: Solve for x
    x = 177,256,491.84/14,962.63
  6. Step 6: Final answer
    x = 11,846.61

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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.