Home / 13,548.36-18,703.12-10,192.45

Finding the Fourth Proportional to 13,548.36, 18,703.12 and 10,192.45

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Solution

The fourth proportional to 13,548.36, 18,703.12 and 10,192.45 is: 14,070.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.36 : 18,703.12 = 10,192.45 : x
  2. Step 2: Convert to fraction form
    13,548.36/18,703.12 = 10,192.45/x
  3. Step 3: Cross multiply
    13,548.36x = 18,703.12 × 10,192.45
  4. Step 4: Simplify right side
    13,548.36x = 190,630,615.44
  5. Step 5: Solve for x
    x = 190,630,615.44/13,548.36
  6. Step 6: Final answer
    x = 14,070.38

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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.