Home / 20,257.02-27,954.54-11,303.94

Finding the Fourth Proportional to 20,257.02, 27,954.54 and 11,303.94

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Solution

The fourth proportional to 20,257.02, 27,954.54 and 11,303.94 is: 15,599.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257.02 : 27,954.54 = 11,303.94 : x
  2. Step 2: Convert to fraction form
    20,257.02/27,954.54 = 11,303.94/x
  3. Step 3: Cross multiply
    20,257.02x = 27,954.54 × 11,303.94
  4. Step 4: Simplify right side
    20,257.02x = 315,996,442.89
  5. Step 5: Solve for x
    x = 315,996,442.89/20,257.02
  6. Step 6: Final answer
    x = 15,599.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.