Home / 14,606.19-20,153.61-8,635.68

Finding the Fourth Proportional to 14,606.19, 20,153.61 and 8,635.68

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Solution

The fourth proportional to 14,606.19, 20,153.61 and 8,635.68 is: 11,915.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,606.19 : 20,153.61 = 8,635.68 : x
  2. Step 2: Convert to fraction form
    14,606.19/20,153.61 = 8,635.68/x
  3. Step 3: Cross multiply
    14,606.19x = 20,153.61 × 8,635.68
  4. Step 4: Simplify right side
    14,606.19x = 174,040,126.80
  5. Step 5: Solve for x
    x = 174,040,126.80/14,606.19
  6. Step 6: Final answer
    x = 11,915.50

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Half scale
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Double scale
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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.