Home / 23,161.42-31,962.63-12,551.05

Finding the Fourth Proportional to 23,161.42, 31,962.63 and 12,551.05

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Solution

The fourth proportional to 23,161.42, 31,962.63 and 12,551.05 is: 17,320.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,161.42 : 31,962.63 = 12,551.05 : x
  2. Step 2: Convert to fraction form
    23,161.42/31,962.63 = 12,551.05/x
  3. Step 3: Cross multiply
    23,161.42x = 31,962.63 × 12,551.05
  4. Step 4: Simplify right side
    23,161.42x = 401,164,567.26
  5. Step 5: Solve for x
    x = 401,164,567.26/23,161.42
  6. Step 6: Final answer
    x = 17,320.38

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Half scale
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Similar ratio
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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.