Home / 14,055.13-19,396.02-7,767.55

Finding the Fourth Proportional to 14,055.13, 19,396.02 and 7,767.55

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Solution

The fourth proportional to 14,055.13, 19,396.02 and 7,767.55 is: 10,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.13 : 19,396.02 = 7,767.55 : x
  2. Step 2: Convert to fraction form
    14,055.13/19,396.02 = 7,767.55/x
  3. Step 3: Cross multiply
    14,055.13x = 19,396.02 × 7,767.55
  4. Step 4: Simplify right side
    14,055.13x = 150,659,555.15
  5. Step 5: Solve for x
    x = 150,659,555.15/14,055.13
  6. Step 6: Final answer
    x = 10,719.19

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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.