Home / 13,962.81-19,268.19-7,675.14

Finding the Fourth Proportional to 13,962.81, 19,268.19 and 7,675.14

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Solution

The fourth proportional to 13,962.81, 19,268.19 and 7,675.14 is: 10,591.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.81 : 19,268.19 = 7,675.14 : x
  2. Step 2: Convert to fraction form
    13,962.81/19,268.19 = 7,675.14/x
  3. Step 3: Cross multiply
    13,962.81x = 19,268.19 × 7,675.14
  4. Step 4: Simplify right side
    13,962.81x = 147,886,055.80
  5. Step 5: Solve for x
    x = 147,886,055.80/13,962.81
  6. Step 6: Final answer
    x = 10,591.43

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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.