Home / 45,864.84-68,796.96-12,582.30

Finding the Fourth Proportional to 45,864.84, 68,796.96 and 12,582.30

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Solution

The fourth proportional to 45,864.84, 68,796.96 and 12,582.30 is: 18,873.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,864.84 : 68,796.96 = 12,582.30 : x
  2. Step 2: Convert to fraction form
    45,864.84/68,796.96 = 12,582.30/x
  3. Step 3: Cross multiply
    45,864.84x = 68,796.96 × 12,582.30
  4. Step 4: Simplify right side
    45,864.84x = 865,623,989.81
  5. Step 5: Solve for x
    x = 865,623,989.81/45,864.84
  6. Step 6: Final answer
    x = 18,873.37

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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.