Home / 26,905.50-37,127.78-14,968.40

Finding the Fourth Proportional to 26,905.50, 37,127.78 and 14,968.40

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Solution

The fourth proportional to 26,905.50, 37,127.78 and 14,968.40 is: 20,655.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,905.50 : 37,127.78 = 14,968.40 : x
  2. Step 2: Convert to fraction form
    26,905.50/37,127.78 = 14,968.40/x
  3. Step 3: Cross multiply
    26,905.50x = 37,127.78 × 14,968.40
  4. Step 4: Simplify right side
    26,905.50x = 555,743,462.15
  5. Step 5: Solve for x
    x = 555,743,462.15/26,905.50
  6. Step 6: Final answer
    x = 20,655.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.