Home / 13,642.50-20,466.93-4,282.01

Finding the Fourth Proportional to 13,642.50, 20,466.93 and 4,282.01

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Solution

The fourth proportional to 13,642.50, 20,466.93 and 4,282.01 is: 6,424.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642.50 : 20,466.93 = 4,282.01 : x
  2. Step 2: Convert to fraction form
    13,642.50/20,466.93 = 4,282.01/x
  3. Step 3: Cross multiply
    13,642.50x = 20,466.93 × 4,282.01
  4. Step 4: Simplify right side
    13,642.50x = 87,639,598.93
  5. Step 5: Solve for x
    x = 87,639,598.93/13,642.50
  6. Step 6: Final answer
    x = 6,424.01

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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.