Home / 14,036.51-21,051.91-5,148.81

Finding the Fourth Proportional to 14,036.51, 21,051.91 and 5,148.81

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Solution

The fourth proportional to 14,036.51, 21,051.91 and 5,148.81 is: 7,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036.51 : 21,051.91 = 5,148.81 : x
  2. Step 2: Convert to fraction form
    14,036.51/21,051.91 = 5,148.81/x
  3. Step 3: Cross multiply
    14,036.51x = 21,051.91 × 5,148.81
  4. Step 4: Simplify right side
    14,036.51x = 108,392,284.73
  5. Step 5: Solve for x
    x = 108,392,284.73/14,036.51
  6. Step 6: Final answer
    x = 7,722.17

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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.