Home / 13,342.41-18,412.43-7,374.33

Finding the Fourth Proportional to 13,342.41, 18,412.43 and 7,374.33

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Solution

The fourth proportional to 13,342.41, 18,412.43 and 7,374.33 is: 10,176.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.41 : 18,412.43 = 7,374.33 : x
  2. Step 2: Convert to fraction form
    13,342.41/18,412.43 = 7,374.33/x
  3. Step 3: Cross multiply
    13,342.41x = 18,412.43 × 7,374.33
  4. Step 4: Simplify right side
    13,342.41x = 135,779,298.05
  5. Step 5: Solve for x
    x = 135,779,298.05/13,342.41
  6. Step 6: Final answer
    x = 10,176.52

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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.