Home / 18,202.29-25,110.76-13,158.51

Finding the Fourth Proportional to 18,202.29, 25,110.76 and 13,158.51

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Solution

The fourth proportional to 18,202.29, 25,110.76 and 13,158.51 is: 18,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202.29 : 25,110.76 = 13,158.51 : x
  2. Step 2: Convert to fraction form
    18,202.29/25,110.76 = 13,158.51/x
  3. Step 3: Cross multiply
    18,202.29x = 25,110.76 × 13,158.51
  4. Step 4: Simplify right side
    18,202.29x = 330,420,186.57
  5. Step 5: Solve for x
    x = 330,420,186.57/18,202.29
  6. Step 6: Final answer
    x = 18,152.67

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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.