Home / 20,254.07-27,952.00-11,303.30

Finding the Fourth Proportional to 20,254.07, 27,952.00 and 11,303.30

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Solution

The fourth proportional to 20,254.07, 27,952.00 and 11,303.30 is: 15,599.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.07 : 27,952.00 = 11,303.30 : x
  2. Step 2: Convert to fraction form
    20,254.07/27,952.00 = 11,303.30/x
  3. Step 3: Cross multiply
    20,254.07x = 27,952.00 × 11,303.30
  4. Step 4: Simplify right side
    20,254.07x = 315,949,673.58
  5. Step 5: Solve for x
    x = 315,949,673.58/20,254.07
  6. Step 6: Final answer
    x = 15,599.32

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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.