Home / 13,102.14-19,653.28-3,742.32

Finding the Fourth Proportional to 13,102.14, 19,653.28 and 3,742.32

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Solution

The fourth proportional to 13,102.14, 19,653.28 and 3,742.32 is: 5,613.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102.14 : 19,653.28 = 3,742.32 : x
  2. Step 2: Convert to fraction form
    13,102.14/19,653.28 = 3,742.32/x
  3. Step 3: Cross multiply
    13,102.14x = 19,653.28 × 3,742.32
  4. Step 4: Simplify right side
    13,102.14x = 73,548,862.81
  5. Step 5: Solve for x
    x = 73,548,862.81/13,102.14
  6. Step 6: Final answer
    x = 5,613.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.