Home / 13,848.30-20,772.45-5,529.60

Finding the Fourth Proportional to 13,848.30, 20,772.45 and 5,529.60

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Solution

The fourth proportional to 13,848.30, 20,772.45 and 5,529.60 is: 8,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.30 : 20,772.45 = 5,529.60 : x
  2. Step 2: Convert to fraction form
    13,848.30/20,772.45 = 5,529.60/x
  3. Step 3: Cross multiply
    13,848.30x = 20,772.45 × 5,529.60
  4. Step 4: Simplify right side
    13,848.30x = 114,863,339.52
  5. Step 5: Solve for x
    x = 114,863,339.52/13,848.30
  6. Step 6: Final answer
    x = 8,294.40

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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.