Home / 26,657.10-36,786.63-14,720.34

Finding the Fourth Proportional to 26,657.10, 36,786.63 and 14,720.34

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Solution

The fourth proportional to 26,657.10, 36,786.63 and 14,720.34 is: 20,313.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,657.10 : 36,786.63 = 14,720.34 : x
  2. Step 2: Convert to fraction form
    26,657.10/36,786.63 = 14,720.34/x
  3. Step 3: Cross multiply
    26,657.10x = 36,786.63 × 14,720.34
  4. Step 4: Simplify right side
    26,657.10x = 541,511,701.05
  5. Step 5: Solve for x
    x = 541,511,701.05/26,657.10
  6. Step 6: Final answer
    x = 20,313.98

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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.