Home / 18,948.23-26,147.10-10,450.67

Finding the Fourth Proportional to 18,948.23, 26,147.10 and 10,450.67

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Solution

The fourth proportional to 18,948.23, 26,147.10 and 10,450.67 is: 14,421.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.23 : 26,147.10 = 10,450.67 : x
  2. Step 2: Convert to fraction form
    18,948.23/26,147.10 = 10,450.67/x
  3. Step 3: Cross multiply
    18,948.23x = 26,147.10 × 10,450.67
  4. Step 4: Simplify right side
    18,948.23x = 273,254,769.09
  5. Step 5: Solve for x
    x = 273,254,769.09/18,948.23
  6. Step 6: Final answer
    x = 14,421.12

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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.