Home / 19,773.02-27,289.83-11,275.16

Finding the Fourth Proportional to 19,773.02, 27,289.83 and 11,275.16

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Solution

The fourth proportional to 19,773.02, 27,289.83 and 11,275.16 is: 15,561.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,773.02 : 27,289.83 = 11,275.16 : x
  2. Step 2: Convert to fraction form
    19,773.02/27,289.83 = 11,275.16/x
  3. Step 3: Cross multiply
    19,773.02x = 27,289.83 × 11,275.16
  4. Step 4: Simplify right side
    19,773.02x = 307,697,063.17
  5. Step 5: Solve for x
    x = 307,697,063.17/19,773.02
  6. Step 6: Final answer
    x = 15,561.46

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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.