Home / 20,261.59-27,927.52-13,544.77

Finding the Fourth Proportional to 20,261.59, 27,927.52 and 13,544.77

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Solution

The fourth proportional to 20,261.59, 27,927.52 and 13,544.77 is: 18,669.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261.59 : 27,927.52 = 13,544.77 : x
  2. Step 2: Convert to fraction form
    20,261.59/27,927.52 = 13,544.77/x
  3. Step 3: Cross multiply
    20,261.59x = 27,927.52 × 13,544.77
  4. Step 4: Simplify right side
    20,261.59x = 378,271,835.07
  5. Step 5: Solve for x
    x = 378,271,835.07/20,261.59
  6. Step 6: Final answer
    x = 18,669.41

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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.