Home / 26,359.48-39,538.07-7,639.11

Finding the Fourth Proportional to 26,359.48, 39,538.07 and 7,639.11

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Solution

The fourth proportional to 26,359.48, 39,538.07 and 7,639.11 is: 11,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,359.48 : 39,538.07 = 7,639.11 : x
  2. Step 2: Convert to fraction form
    26,359.48/39,538.07 = 7,639.11/x
  3. Step 3: Cross multiply
    26,359.48x = 39,538.07 × 7,639.11
  4. Step 4: Simplify right side
    26,359.48x = 302,035,699.34
  5. Step 5: Solve for x
    x = 302,035,699.34/26,359.48
  6. Step 6: Final answer
    x = 11,458.33

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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.