Home / 26,578.64-39,848.40-12,737.36

Finding the Fourth Proportional to 26,578.64, 39,848.40 and 12,737.36

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Solution

The fourth proportional to 26,578.64, 39,848.40 and 12,737.36 is: 19,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,578.64 : 39,848.40 = 12,737.36 : x
  2. Step 2: Convert to fraction form
    26,578.64/39,848.40 = 12,737.36/x
  3. Step 3: Cross multiply
    26,578.64x = 39,848.40 × 12,737.36
  4. Step 4: Simplify right side
    26,578.64x = 507,563,416.22
  5. Step 5: Solve for x
    x = 507,563,416.22/26,578.64
  6. Step 6: Final answer
    x = 19,096.67

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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.