Home / 19,597.12-27,051.78-13,632.25

Finding the Fourth Proportional to 19,597.12, 27,051.78 and 13,632.25

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Solution

The fourth proportional to 19,597.12, 27,051.78 and 13,632.25 is: 18,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,597.12 : 27,051.78 = 13,632.25 : x
  2. Step 2: Convert to fraction form
    19,597.12/27,051.78 = 13,632.25/x
  3. Step 3: Cross multiply
    19,597.12x = 27,051.78 × 13,632.25
  4. Step 4: Simplify right side
    19,597.12x = 368,776,627.91
  5. Step 5: Solve for x
    x = 368,776,627.91/19,597.12
  6. Step 6: Final answer
    x = 18,817.90

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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.