Home / 43,574.48-65,360.36-12,409.73

Finding the Fourth Proportional to 43,574.48, 65,360.36 and 12,409.73

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Solution

The fourth proportional to 43,574.48, 65,360.36 and 12,409.73 is: 18,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,574.48 : 65,360.36 = 12,409.73 : x
  2. Step 2: Convert to fraction form
    43,574.48/65,360.36 = 12,409.73/x
  3. Step 3: Cross multiply
    43,574.48x = 65,360.36 × 12,409.73
  4. Step 4: Simplify right side
    43,574.48x = 811,104,031.45
  5. Step 5: Solve for x
    x = 811,104,031.45/43,574.48
  6. Step 6: Final answer
    x = 18,614.20

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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.