Home / 19,248.44-28,918.89-18,186.32

Finding the Fourth Proportional to 19,248.44, 28,918.89 and 18,186.32

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Solution

The fourth proportional to 19,248.44, 28,918.89 and 18,186.32 is: 27,323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.44 : 28,918.89 = 18,186.32 : x
  2. Step 2: Convert to fraction form
    19,248.44/28,918.89 = 18,186.32/x
  3. Step 3: Cross multiply
    19,248.44x = 28,918.89 × 18,186.32
  4. Step 4: Simplify right side
    19,248.44x = 525,928,259.88
  5. Step 5: Solve for x
    x = 525,928,259.88/19,248.44
  6. Step 6: Final answer
    x = 27,323.17

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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.