Home / 12,534.67-18,785.76-9,389.89

Finding the Fourth Proportional to 12,534.67, 18,785.76 and 9,389.89

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Solution

The fourth proportional to 12,534.67, 18,785.76 and 9,389.89 is: 14,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534.67 : 18,785.76 = 9,389.89 : x
  2. Step 2: Convert to fraction form
    12,534.67/18,785.76 = 9,389.89/x
  3. Step 3: Cross multiply
    12,534.67x = 18,785.76 × 9,389.89
  4. Step 4: Simplify right side
    12,534.67x = 176,396,219.97
  5. Step 5: Solve for x
    x = 176,396,219.97/12,534.67
  6. Step 6: Final answer
    x = 14,072.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.