Home / 18,864.45-28,296.59-11,069.01

Finding the Fourth Proportional to 18,864.45, 28,296.59 and 11,069.01

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Solution

The fourth proportional to 18,864.45, 28,296.59 and 11,069.01 is: 16,603.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.45 : 28,296.59 = 11,069.01 : x
  2. Step 2: Convert to fraction form
    18,864.45/28,296.59 = 11,069.01/x
  3. Step 3: Cross multiply
    18,864.45x = 28,296.59 × 11,069.01
  4. Step 4: Simplify right side
    18,864.45x = 313,215,182.33
  5. Step 5: Solve for x
    x = 313,215,182.33/18,864.45
  6. Step 6: Final answer
    x = 16,603.46

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1.5x scale

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.