Home / 26,697.04-40,021.40-12,648.30

Finding the Fourth Proportional to 26,697.04, 40,021.40 and 12,648.30

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Solution

The fourth proportional to 26,697.04, 40,021.40 and 12,648.30 is: 18,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,697.04 : 40,021.40 = 12,648.30 : x
  2. Step 2: Convert to fraction form
    26,697.04/40,021.40 = 12,648.30/x
  3. Step 3: Cross multiply
    26,697.04x = 40,021.40 × 12,648.30
  4. Step 4: Simplify right side
    26,697.04x = 506,202,673.62
  5. Step 5: Solve for x
    x = 506,202,673.62/26,697.04
  6. Step 6: Final answer
    x = 18,961.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.