Home / 19,603.20-27,056.36-11,643.89

Finding the Fourth Proportional to 19,603.20, 27,056.36 and 11,643.89

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Solution

The fourth proportional to 19,603.20, 27,056.36 and 11,643.89 is: 16,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.20 : 27,056.36 = 11,643.89 : x
  2. Step 2: Convert to fraction form
    19,603.20/27,056.36 = 11,643.89/x
  3. Step 3: Cross multiply
    19,603.20x = 27,056.36 × 11,643.89
  4. Step 4: Simplify right side
    19,603.20x = 315,041,086.14
  5. Step 5: Solve for x
    x = 315,041,086.14/19,603.20
  6. Step 6: Final answer
    x = 16,070.90

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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.