Home / 19,766.65-27,268.56-12,210.26

Finding the Fourth Proportional to 19,766.65, 27,268.56 and 12,210.26

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Solution

The fourth proportional to 19,766.65, 27,268.56 and 12,210.26 is: 16,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.65 : 27,268.56 = 12,210.26 : x
  2. Step 2: Convert to fraction form
    19,766.65/27,268.56 = 12,210.26/x
  3. Step 3: Cross multiply
    19,766.65x = 27,268.56 × 12,210.26
  4. Step 4: Simplify right side
    19,766.65x = 332,956,279.16
  5. Step 5: Solve for x
    x = 332,956,279.16/19,766.65
  6. Step 6: Final answer
    x = 16,844.34

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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.