Home / 15,973.89-23,962.50-6,121.50

Finding the Fourth Proportional to 15,973.89, 23,962.50 and 6,121.50

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Solution

The fourth proportional to 15,973.89, 23,962.50 and 6,121.50 is: 9,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,973.89 : 23,962.50 = 6,121.50 : x
  2. Step 2: Convert to fraction form
    15,973.89/23,962.50 = 6,121.50/x
  3. Step 3: Cross multiply
    15,973.89x = 23,962.50 × 6,121.50
  4. Step 4: Simplify right side
    15,973.89x = 146,686,443.75
  5. Step 5: Solve for x
    x = 146,686,443.75/15,973.89
  6. Step 6: Final answer
    x = 9,182.89

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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.