Home / 12,955.44-19,452.60-7,415.04

Finding the Fourth Proportional to 12,955.44, 19,452.60 and 7,415.04

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Solution

The fourth proportional to 12,955.44, 19,452.60 and 7,415.04 is: 11,133.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955.44 : 19,452.60 = 7,415.04 : x
  2. Step 2: Convert to fraction form
    12,955.44/19,452.60 = 7,415.04/x
  3. Step 3: Cross multiply
    12,955.44x = 19,452.60 × 7,415.04
  4. Step 4: Simplify right side
    12,955.44x = 144,241,807.10
  5. Step 5: Solve for x
    x = 144,241,807.10/12,955.44
  6. Step 6: Final answer
    x = 11,133.69

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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.