Home / 17,386.45-23,993.30-9,428.67

Finding the Fourth Proportional to 17,386.45, 23,993.30 and 9,428.67

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Solution

The fourth proportional to 17,386.45, 23,993.30 and 9,428.67 is: 13,011.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,386.45 : 23,993.30 = 9,428.67 : x
  2. Step 2: Convert to fraction form
    17,386.45/23,993.30 = 9,428.67/x
  3. Step 3: Cross multiply
    17,386.45x = 23,993.30 × 9,428.67
  4. Step 4: Simplify right side
    17,386.45x = 226,224,907.91
  5. Step 5: Solve for x
    x = 226,224,907.91/17,386.45
  6. Step 6: Final answer
    x = 13,011.57

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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.