Home / 13,101.67-18,087.27-10,521.37

Finding the Fourth Proportional to 13,101.67, 18,087.27 and 10,521.37

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Solution

The fourth proportional to 13,101.67, 18,087.27 and 10,521.37 is: 14,525.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.67 : 18,087.27 = 10,521.37 : x
  2. Step 2: Convert to fraction form
    13,101.67/18,087.27 = 10,521.37/x
  3. Step 3: Cross multiply
    13,101.67x = 18,087.27 × 10,521.37
  4. Step 4: Simplify right side
    13,101.67x = 190,302,859.96
  5. Step 5: Solve for x
    x = 190,302,859.96/13,101.67
  6. Step 6: Final answer
    x = 14,525.08

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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.