Home / 19,703.16-27,181.67-13,327.47

Finding the Fourth Proportional to 19,703.16, 27,181.67 and 13,327.47

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Solution

The fourth proportional to 19,703.16, 27,181.67 and 13,327.47 is: 18,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,703.16 : 27,181.67 = 13,327.47 : x
  2. Step 2: Convert to fraction form
    19,703.16/27,181.67 = 13,327.47/x
  3. Step 3: Cross multiply
    19,703.16x = 27,181.67 × 13,327.47
  4. Step 4: Simplify right side
    19,703.16x = 362,262,824.84
  5. Step 5: Solve for x
    x = 362,262,824.84/19,703.16
  6. Step 6: Final answer
    x = 18,386.03

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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.