Home / 19,763.08-27,272.69-10,810.50

Finding the Fourth Proportional to 19,763.08, 27,272.69 and 10,810.50

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Solution

The fourth proportional to 19,763.08, 27,272.69 and 10,810.50 is: 14,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.08 : 27,272.69 = 10,810.50 : x
  2. Step 2: Convert to fraction form
    19,763.08/27,272.69 = 10,810.50/x
  3. Step 3: Cross multiply
    19,763.08x = 27,272.69 × 10,810.50
  4. Step 4: Simplify right side
    19,763.08x = 294,831,452.87
  5. Step 5: Solve for x
    x = 294,831,452.87/19,763.08
  6. Step 6: Final answer
    x = 14,918.30

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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.