Home / 19,698.06-27,194.40-13,657.08

Finding the Fourth Proportional to 19,698.06, 27,194.40 and 13,657.08

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Solution

The fourth proportional to 19,698.06, 27,194.40 and 13,657.08 is: 18,854.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,698.06 : 27,194.40 = 13,657.08 : x
  2. Step 2: Convert to fraction form
    19,698.06/27,194.40 = 13,657.08/x
  3. Step 3: Cross multiply
    19,698.06x = 27,194.40 × 13,657.08
  4. Step 4: Simplify right side
    19,698.06x = 371,396,096.35
  5. Step 5: Solve for x
    x = 371,396,096.35/19,698.06
  6. Step 6: Final answer
    x = 18,854.45

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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.