Home / 20,237.23-27,935.07-15,216.03

Finding the Fourth Proportional to 20,237.23, 27,935.07 and 15,216.03

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Solution

The fourth proportional to 20,237.23, 27,935.07 and 15,216.03 is: 21,003.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.23 : 27,935.07 = 15,216.03 : x
  2. Step 2: Convert to fraction form
    20,237.23/27,935.07 = 15,216.03/x
  3. Step 3: Cross multiply
    20,237.23x = 27,935.07 × 15,216.03
  4. Step 4: Simplify right side
    20,237.23x = 425,060,848.91
  5. Step 5: Solve for x
    x = 425,060,848.91/20,237.23
  6. Step 6: Final answer
    x = 21,003.91

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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.