Home / 12,768.52-19,143.54-8,598.18

Finding the Fourth Proportional to 12,768.52, 19,143.54 and 8,598.18

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Solution

The fourth proportional to 12,768.52, 19,143.54 and 8,598.18 is: 12,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768.52 : 19,143.54 = 8,598.18 : x
  2. Step 2: Convert to fraction form
    12,768.52/19,143.54 = 8,598.18/x
  3. Step 3: Cross multiply
    12,768.52x = 19,143.54 × 8,598.18
  4. Step 4: Simplify right side
    12,768.52x = 164,599,602.76
  5. Step 5: Solve for x
    x = 164,599,602.76/12,768.52
  6. Step 6: Final answer
    x = 12,891.05

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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.