Home / 14,055.51-19,396.49-7,767.84

Finding the Fourth Proportional to 14,055.51, 19,396.49 and 7,767.84

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Solution

The fourth proportional to 14,055.51, 19,396.49 and 7,767.84 is: 10,719.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.51 : 19,396.49 = 7,767.84 : x
  2. Step 2: Convert to fraction form
    14,055.51/19,396.49 = 7,767.84/x
  3. Step 3: Cross multiply
    14,055.51x = 19,396.49 × 7,767.84
  4. Step 4: Simplify right side
    14,055.51x = 150,668,792.04
  5. Step 5: Solve for x
    x = 150,668,792.04/14,055.51
  6. Step 6: Final answer
    x = 10,719.55

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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.