Home / 26,398.76-39,598.11-10,603.77

Finding the Fourth Proportional to 26,398.76, 39,598.11 and 10,603.77

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Solution

The fourth proportional to 26,398.76, 39,598.11 and 10,603.77 is: 15,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,398.76 : 39,598.11 = 10,603.77 : x
  2. Step 2: Convert to fraction form
    26,398.76/39,598.11 = 10,603.77/x
  3. Step 3: Cross multiply
    26,398.76x = 39,598.11 × 10,603.77
  4. Step 4: Simplify right side
    26,398.76x = 419,889,250.87
  5. Step 5: Solve for x
    x = 419,889,250.87/26,398.76
  6. Step 6: Final answer
    x = 15,905.65

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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.