Home / 23,683.21-32,681.81-13,072.61

Finding the Fourth Proportional to 23,683.21, 32,681.81 and 13,072.61

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Solution

The fourth proportional to 23,683.21, 32,681.81 and 13,072.61 is: 18,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,683.21 : 32,681.81 = 13,072.61 : x
  2. Step 2: Convert to fraction form
    23,683.21/32,681.81 = 13,072.61/x
  3. Step 3: Cross multiply
    23,683.21x = 32,681.81 × 13,072.61
  4. Step 4: Simplify right side
    23,683.21x = 427,236,670.61
  5. Step 5: Solve for x
    x = 427,236,670.61/23,683.21
  6. Step 6: Final answer
    x = 18,039.65

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1.5x scale

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.