Home / 13,612.24-18,760.98-13,233.16

Finding the Fourth Proportional to 13,612.24, 18,760.98 and 13,233.16

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Solution

The fourth proportional to 13,612.24, 18,760.98 and 13,233.16 is: 18,238.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612.24 : 18,760.98 = 13,233.16 : x
  2. Step 2: Convert to fraction form
    13,612.24/18,760.98 = 13,233.16/x
  3. Step 3: Cross multiply
    13,612.24x = 18,760.98 × 13,233.16
  4. Step 4: Simplify right side
    13,612.24x = 248,267,050.10
  5. Step 5: Solve for x
    x = 248,267,050.10/13,612.24
  6. Step 6: Final answer
    x = 18,238.52

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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.