Home / 26,213.58-36,209.36-19,421.40

Finding the Fourth Proportional to 26,213.58, 36,209.36 and 19,421.40

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Solution

The fourth proportional to 26,213.58, 36,209.36 and 19,421.40 is: 26,827.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,213.58 : 36,209.36 = 19,421.40 : x
  2. Step 2: Convert to fraction form
    26,213.58/36,209.36 = 19,421.40/x
  3. Step 3: Cross multiply
    26,213.58x = 36,209.36 × 19,421.40
  4. Step 4: Simplify right side
    26,213.58x = 703,236,464.30
  5. Step 5: Solve for x
    x = 703,236,464.30/26,213.58
  6. Step 6: Final answer
    x = 26,827.18

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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.