Home / 29,113.40-43,670.10-9,405.49

Finding the Fourth Proportional to 29,113.40, 43,670.10 and 9,405.49

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Solution

The fourth proportional to 29,113.40, 43,670.10 and 9,405.49 is: 14,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,113.40 : 43,670.10 = 9,405.49 : x
  2. Step 2: Convert to fraction form
    29,113.40/43,670.10 = 9,405.49/x
  3. Step 3: Cross multiply
    29,113.40x = 43,670.10 × 9,405.49
  4. Step 4: Simplify right side
    29,113.40x = 410,738,688.85
  5. Step 5: Solve for x
    x = 410,738,688.85/29,113.40
  6. Step 6: Final answer
    x = 14,108.24

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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.