Home / 18,664.84-25,756.14-10,706.86

Finding the Fourth Proportional to 18,664.84, 25,756.14 and 10,706.86

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Solution

The fourth proportional to 18,664.84, 25,756.14 and 10,706.86 is: 14,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.84 : 25,756.14 = 10,706.86 : x
  2. Step 2: Convert to fraction form
    18,664.84/25,756.14 = 10,706.86/x
  3. Step 3: Cross multiply
    18,664.84x = 25,756.14 × 10,706.86
  4. Step 4: Simplify right side
    18,664.84x = 275,767,385.12
  5. Step 5: Solve for x
    x = 275,767,385.12/18,664.84
  6. Step 6: Final answer
    x = 14,774.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.