Home / 26,389.08-39,587.49-7,666.67

Finding the Fourth Proportional to 26,389.08, 39,587.49 and 7,666.67

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Solution

The fourth proportional to 26,389.08, 39,587.49 and 7,666.67 is: 11,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,389.08 : 39,587.49 = 7,666.67 : x
  2. Step 2: Convert to fraction form
    26,389.08/39,587.49 = 7,666.67/x
  3. Step 3: Cross multiply
    26,389.08x = 39,587.49 × 7,666.67
  4. Step 4: Simplify right side
    26,389.08x = 303,504,221.96
  5. Step 5: Solve for x
    x = 303,504,221.96/26,389.08
  6. Step 6: Final answer
    x = 11,501.13

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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.