Home / 26,438.76-36,486.63-15,826.34

Finding the Fourth Proportional to 26,438.76, 36,486.63 and 15,826.34

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Solution

The fourth proportional to 26,438.76, 36,486.63 and 15,826.34 is: 21,841.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.76 : 36,486.63 = 15,826.34 : x
  2. Step 2: Convert to fraction form
    26,438.76/36,486.63 = 15,826.34/x
  3. Step 3: Cross multiply
    26,438.76x = 36,486.63 × 15,826.34
  4. Step 4: Simplify right side
    26,438.76x = 577,449,903.05
  5. Step 5: Solve for x
    x = 577,449,903.05/26,438.76
  6. Step 6: Final answer
    x = 21,841.04

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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.