Home / 13,342.44-18,412.30-7,373.98

Finding the Fourth Proportional to 13,342.44, 18,412.30 and 7,373.98

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Solution

The fourth proportional to 13,342.44, 18,412.30 and 7,373.98 is: 10,175.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.44 : 18,412.30 = 7,373.98 : x
  2. Step 2: Convert to fraction form
    13,342.44/18,412.30 = 7,373.98/x
  3. Step 3: Cross multiply
    13,342.44x = 18,412.30 × 7,373.98
  4. Step 4: Simplify right side
    13,342.44x = 135,771,931.95
  5. Step 5: Solve for x
    x = 135,771,931.95/13,342.44
  6. Step 6: Final answer
    x = 10,175.94

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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.