Home / 14,259.50-19,678.14-7,973.36

Finding the Fourth Proportional to 14,259.50, 19,678.14 and 7,973.36

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Solution

The fourth proportional to 14,259.50, 19,678.14 and 7,973.36 is: 11,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.50 : 19,678.14 = 7,973.36 : x
  2. Step 2: Convert to fraction form
    14,259.50/19,678.14 = 7,973.36/x
  3. Step 3: Cross multiply
    14,259.50x = 19,678.14 × 7,973.36
  4. Step 4: Simplify right side
    14,259.50x = 156,900,894.35
  5. Step 5: Solve for x
    x = 156,900,894.35/14,259.50
  6. Step 6: Final answer
    x = 11,003.25

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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.