Home / 15,848.40-23,776.20-9,271.20

Finding the Fourth Proportional to 15,848.40, 23,776.20 and 9,271.20

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Solution

The fourth proportional to 15,848.40, 23,776.20 and 9,271.20 is: 13,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,848.40 : 23,776.20 = 9,271.20 : x
  2. Step 2: Convert to fraction form
    15,848.40/23,776.20 = 9,271.20/x
  3. Step 3: Cross multiply
    15,848.40x = 23,776.20 × 9,271.20
  4. Step 4: Simplify right side
    15,848.40x = 220,433,905.44
  5. Step 5: Solve for x
    x = 220,433,905.44/15,848.40
  6. Step 6: Final answer
    x = 13,908.91

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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.