Home / 25,619.51-38,430.44-7,848.89

Finding the Fourth Proportional to 25,619.51, 38,430.44 and 7,848.89

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Solution

The fourth proportional to 25,619.51, 38,430.44 and 7,848.89 is: 11,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.51 : 38,430.44 = 7,848.89 : x
  2. Step 2: Convert to fraction form
    25,619.51/38,430.44 = 7,848.89/x
  3. Step 3: Cross multiply
    25,619.51x = 38,430.44 × 7,848.89
  4. Step 4: Simplify right side
    25,619.51x = 301,636,353.04
  5. Step 5: Solve for x
    x = 301,636,353.04/25,619.51
  6. Step 6: Final answer
    x = 11,773.70

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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.