Home / 26,741.96-36,901.10-15,409.20

Finding the Fourth Proportional to 26,741.96, 36,901.10 and 15,409.20

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Solution

The fourth proportional to 26,741.96, 36,901.10 and 15,409.20 is: 21,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,741.96 : 36,901.10 = 15,409.20 : x
  2. Step 2: Convert to fraction form
    26,741.96/36,901.10 = 15,409.20/x
  3. Step 3: Cross multiply
    26,741.96x = 36,901.10 × 15,409.20
  4. Step 4: Simplify right side
    26,741.96x = 568,616,607.02
  5. Step 5: Solve for x
    x = 568,616,607.02/26,741.96
  6. Step 6: Final answer
    x = 21,263.09

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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.