Home / 13,837.77-19,090.31-9,648.45

Finding the Fourth Proportional to 13,837.77, 19,090.31 and 9,648.45

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Solution

The fourth proportional to 13,837.77, 19,090.31 and 9,648.45 is: 13,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.77 : 19,090.31 = 9,648.45 : x
  2. Step 2: Convert to fraction form
    13,837.77/19,090.31 = 9,648.45/x
  3. Step 3: Cross multiply
    13,837.77x = 19,090.31 × 9,648.45
  4. Step 4: Simplify right side
    13,837.77x = 184,191,853.28
  5. Step 5: Solve for x
    x = 184,191,853.28/13,837.77
  6. Step 6: Final answer
    x = 13,310.80

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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.