Home / 13,848.08-19,090.36-9,867.68

Finding the Fourth Proportional to 13,848.08, 19,090.36 and 9,867.68

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Solution

The fourth proportional to 13,848.08, 19,090.36 and 9,867.68 is: 13,603.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.08 : 19,090.36 = 9,867.68 : x
  2. Step 2: Convert to fraction form
    13,848.08/19,090.36 = 9,867.68/x
  3. Step 3: Cross multiply
    13,848.08x = 19,090.36 × 9,867.68
  4. Step 4: Simplify right side
    13,848.08x = 188,377,563.56
  5. Step 5: Solve for x
    x = 188,377,563.56/13,848.08
  6. Step 6: Final answer
    x = 13,603.15

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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.