Home / 26,905.80-37,129.50-14,968.92

Finding the Fourth Proportional to 26,905.80, 37,129.50 and 14,968.92

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Solution

The fourth proportional to 26,905.80, 37,129.50 and 14,968.92 is: 20,656.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,905.80 : 37,129.50 = 14,968.92 : x
  2. Step 2: Convert to fraction form
    26,905.80/37,129.50 = 14,968.92/x
  3. Step 3: Cross multiply
    26,905.80x = 37,129.50 × 14,968.92
  4. Step 4: Simplify right side
    26,905.80x = 555,788,515.14
  5. Step 5: Solve for x
    x = 555,788,515.14/26,905.80
  6. Step 6: Final answer
    x = 20,656.83

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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.