Home / 26,461.66-39,690.07-8,931.64

Finding the Fourth Proportional to 26,461.66, 39,690.07 and 8,931.64

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Solution

The fourth proportional to 26,461.66, 39,690.07 and 8,931.64 is: 13,396.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,461.66 : 39,690.07 = 8,931.64 : x
  2. Step 2: Convert to fraction form
    26,461.66/39,690.07 = 8,931.64/x
  3. Step 3: Cross multiply
    26,461.66x = 39,690.07 × 8,931.64
  4. Step 4: Simplify right side
    26,461.66x = 354,497,416.81
  5. Step 5: Solve for x
    x = 354,497,416.81/26,461.66
  6. Step 6: Final answer
    x = 13,396.64

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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.