Home / 26,742.85-36,896.06-15,411.98

Finding the Fourth Proportional to 26,742.85, 36,896.06 and 15,411.98

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Solution

The fourth proportional to 26,742.85, 36,896.06 and 15,411.98 is: 21,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,742.85 : 36,896.06 = 15,411.98 : x
  2. Step 2: Convert to fraction form
    26,742.85/36,896.06 = 15,411.98/x
  3. Step 3: Cross multiply
    26,742.85x = 36,896.06 × 15,411.98
  4. Step 4: Simplify right side
    26,742.85x = 568,641,261.74
  5. Step 5: Solve for x
    x = 568,641,261.74/26,742.85
  6. Step 6: Final answer
    x = 21,263.30

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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.