Home / 26,664.40-39,977.40-14,981.20

Finding the Fourth Proportional to 26,664.40, 39,977.40 and 14,981.20

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Solution

The fourth proportional to 26,664.40, 39,977.40 and 14,981.20 is: 22,461.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,664.40 : 39,977.40 = 14,981.20 : x
  2. Step 2: Convert to fraction form
    26,664.40/39,977.40 = 14,981.20/x
  3. Step 3: Cross multiply
    26,664.40x = 39,977.40 × 14,981.20
  4. Step 4: Simplify right side
    26,664.40x = 598,909,424.88
  5. Step 5: Solve for x
    x = 598,909,424.88/26,664.40
  6. Step 6: Final answer
    x = 22,461.01

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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.