Home / 12,835.60-19,253.40-3,600.40

Finding the Fourth Proportional to 12,835.60, 19,253.40 and 3,600.40

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Solution

The fourth proportional to 12,835.60, 19,253.40 and 3,600.40 is: 5,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.60 : 19,253.40 = 3,600.40 : x
  2. Step 2: Convert to fraction form
    12,835.60/19,253.40 = 3,600.40/x
  3. Step 3: Cross multiply
    12,835.60x = 19,253.40 × 3,600.40
  4. Step 4: Simplify right side
    12,835.60x = 69,319,941.36
  5. Step 5: Solve for x
    x = 69,319,941.36/12,835.60
  6. Step 6: Final answer
    x = 5,400.60

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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.