Home / 14,164.13-19,546.31-7,876.51

Finding the Fourth Proportional to 14,164.13, 19,546.31 and 7,876.51

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Solution

The fourth proportional to 14,164.13, 19,546.31 and 7,876.51 is: 10,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,164.13 : 19,546.31 = 7,876.51 : x
  2. Step 2: Convert to fraction form
    14,164.13/19,546.31 = 7,876.51/x
  3. Step 3: Cross multiply
    14,164.13x = 19,546.31 × 7,876.51
  4. Step 4: Simplify right side
    14,164.13x = 153,956,677.00
  5. Step 5: Solve for x
    x = 153,956,677.00/14,164.13
  6. Step 6: Final answer
    x = 10,869.47

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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.