Home / 14,372.84-19,834.65-7,999.70

Finding the Fourth Proportional to 14,372.84, 19,834.65 and 7,999.70

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Solution

The fourth proportional to 14,372.84, 19,834.65 and 7,999.70 is: 11,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,372.84 : 19,834.65 = 7,999.70 : x
  2. Step 2: Convert to fraction form
    14,372.84/19,834.65 = 7,999.70/x
  3. Step 3: Cross multiply
    14,372.84x = 19,834.65 × 7,999.70
  4. Step 4: Simplify right side
    14,372.84x = 158,671,150.43
  5. Step 5: Solve for x
    x = 158,671,150.43/14,372.84
  6. Step 6: Final answer
    x = 11,039.66

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1.5x scale

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.