Home / 43,712.06-65,545.00-14,126.20

Finding the Fourth Proportional to 43,712.06, 65,545.00 and 14,126.20

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Solution

The fourth proportional to 43,712.06, 65,545.00 and 14,126.20 is: 21,181.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,712.06 : 65,545.00 = 14,126.20 : x
  2. Step 2: Convert to fraction form
    43,712.06/65,545.00 = 14,126.20/x
  3. Step 3: Cross multiply
    43,712.06x = 65,545.00 × 14,126.20
  4. Step 4: Simplify right side
    43,712.06x = 925,901,579.82
  5. Step 5: Solve for x
    x = 925,901,579.82/43,712.06
  6. Step 6: Final answer
    x = 21,181.84

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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.