Home / 26,225.12-39,347.40-12,192.68

Finding the Fourth Proportional to 26,225.12, 39,347.40 and 12,192.68

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Solution

The fourth proportional to 26,225.12, 39,347.40 and 12,192.68 is: 18,293.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,225.12 : 39,347.40 = 12,192.68 : x
  2. Step 2: Convert to fraction form
    26,225.12/39,347.40 = 12,192.68/x
  3. Step 3: Cross multiply
    26,225.12x = 39,347.40 × 12,192.68
  4. Step 4: Simplify right side
    26,225.12x = 479,750,401.12
  5. Step 5: Solve for x
    x = 479,750,401.12/26,225.12
  6. Step 6: Final answer
    x = 18,293.54

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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.