Home / 45,954.24-68,918.76-12,666.48

Finding the Fourth Proportional to 45,954.24, 68,918.76 and 12,666.48

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Solution

The fourth proportional to 45,954.24, 68,918.76 and 12,666.48 is: 18,996.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,954.24 : 68,918.76 = 12,666.48 : x
  2. Step 2: Convert to fraction form
    45,954.24/68,918.76 = 12,666.48/x
  3. Step 3: Cross multiply
    45,954.24x = 68,918.76 × 12,666.48
  4. Step 4: Simplify right side
    45,954.24x = 872,958,095.16
  5. Step 5: Solve for x
    x = 872,958,095.16/45,954.24
  6. Step 6: Final answer
    x = 18,996.25

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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.