Home / 19,603.54-27,052.32-11,219.50

Finding the Fourth Proportional to 19,603.54, 27,052.32 and 11,219.50

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Solution

The fourth proportional to 19,603.54, 27,052.32 and 11,219.50 is: 15,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.54 : 27,052.32 = 11,219.50 : x
  2. Step 2: Convert to fraction form
    19,603.54/27,052.32 = 11,219.50/x
  3. Step 3: Cross multiply
    19,603.54x = 27,052.32 × 11,219.50
  4. Step 4: Simplify right side
    19,603.54x = 303,513,504.24
  5. Step 5: Solve for x
    x = 303,513,504.24/19,603.54
  6. Step 6: Final answer
    x = 15,482.59

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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.