Home / 19,533.13-26,938.00-12,816.20

Finding the Fourth Proportional to 19,533.13, 26,938.00 and 12,816.20

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Solution

The fourth proportional to 19,533.13, 26,938.00 and 12,816.20 is: 17,674.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,533.13 : 26,938.00 = 12,816.20 : x
  2. Step 2: Convert to fraction form
    19,533.13/26,938.00 = 12,816.20/x
  3. Step 3: Cross multiply
    19,533.13x = 26,938.00 × 12,816.20
  4. Step 4: Simplify right side
    19,533.13x = 345,242,806.87
  5. Step 5: Solve for x
    x = 345,242,806.87/19,533.13
  6. Step 6: Final answer
    x = 17,674.73

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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.