Home / 43,563.57-65,345.76-12,398.82

Finding the Fourth Proportional to 43,563.57, 65,345.76 and 12,398.82

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Solution

The fourth proportional to 43,563.57, 65,345.76 and 12,398.82 is: 18,598.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,563.57 : 65,345.76 = 12,398.82 : x
  2. Step 2: Convert to fraction form
    43,563.57/65,345.76 = 12,398.82/x
  3. Step 3: Cross multiply
    43,563.57x = 65,345.76 × 12,398.82
  4. Step 4: Simplify right side
    43,563.57x = 810,210,316.00
  5. Step 5: Solve for x
    x = 810,210,316.00/43,563.57
  6. Step 6: Final answer
    x = 18,598.35

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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.