Home / 20,254.73-27,952.05-11,303.99

Finding the Fourth Proportional to 20,254.73, 27,952.05 and 11,303.99

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Solution

The fourth proportional to 20,254.73, 27,952.05 and 11,303.99 is: 15,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.73 : 27,952.05 = 11,303.99 : x
  2. Step 2: Convert to fraction form
    20,254.73/27,952.05 = 11,303.99/x
  3. Step 3: Cross multiply
    20,254.73x = 27,952.05 × 11,303.99
  4. Step 4: Simplify right side
    20,254.73x = 315,969,701.13
  5. Step 5: Solve for x
    x = 315,969,701.13/20,254.73
  6. Step 6: Final answer
    x = 15,599.80

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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.