Home / 26,663.88-40,017.48-13,520.01

Finding the Fourth Proportional to 26,663.88, 40,017.48 and 13,520.01

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Solution

The fourth proportional to 26,663.88, 40,017.48 and 13,520.01 is: 20,291.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,663.88 : 40,017.48 = 13,520.01 : x
  2. Step 2: Convert to fraction form
    26,663.88/40,017.48 = 13,520.01/x
  3. Step 3: Cross multiply
    26,663.88x = 40,017.48 × 13,520.01
  4. Step 4: Simplify right side
    26,663.88x = 541,036,729.77
  5. Step 5: Solve for x
    x = 541,036,729.77/26,663.88
  6. Step 6: Final answer
    x = 20,291.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.