Home / 14,512.40-21,775.80-5,747.60

Finding the Fourth Proportional to 14,512.40, 21,775.80 and 5,747.60

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Solution

The fourth proportional to 14,512.40, 21,775.80 and 5,747.60 is: 8,624.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.40 : 21,775.80 = 5,747.60 : x
  2. Step 2: Convert to fraction form
    14,512.40/21,775.80 = 5,747.60/x
  3. Step 3: Cross multiply
    14,512.40x = 21,775.80 × 5,747.60
  4. Step 4: Simplify right side
    14,512.40x = 125,158,588.08
  5. Step 5: Solve for x
    x = 125,158,588.08/14,512.40
  6. Step 6: Final answer
    x = 8,624.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.