Home / 14,318.10-19,755.72-9,009.63

Finding the Fourth Proportional to 14,318.10, 19,755.72 and 9,009.63

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Solution

The fourth proportional to 14,318.10, 19,755.72 and 9,009.63 is: 12,431.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.10 : 19,755.72 = 9,009.63 : x
  2. Step 2: Convert to fraction form
    14,318.10/19,755.72 = 9,009.63/x
  3. Step 3: Cross multiply
    14,318.10x = 19,755.72 × 9,009.63
  4. Step 4: Simplify right side
    14,318.10x = 177,991,727.58
  5. Step 5: Solve for x
    x = 177,991,727.58/14,318.10
  6. Step 6: Final answer
    x = 12,431.24

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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.