Home / 12,835.26-19,248.24-5,440.20

Finding the Fourth Proportional to 12,835.26, 19,248.24 and 5,440.20

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Solution

The fourth proportional to 12,835.26, 19,248.24 and 5,440.20 is: 8,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.26 : 19,248.24 = 5,440.20 : x
  2. Step 2: Convert to fraction form
    12,835.26/19,248.24 = 5,440.20/x
  3. Step 3: Cross multiply
    12,835.26x = 19,248.24 × 5,440.20
  4. Step 4: Simplify right side
    12,835.26x = 104,714,275.25
  5. Step 5: Solve for x
    x = 104,714,275.25/12,835.26
  6. Step 6: Final answer
    x = 8,158.33

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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.