Home / 23,675.18-32,670.73-12,919.79

Finding the Fourth Proportional to 23,675.18, 32,670.73 and 12,919.79

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Solution

The fourth proportional to 23,675.18, 32,670.73 and 12,919.79 is: 17,828.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,675.18 : 32,670.73 = 12,919.79 : x
  2. Step 2: Convert to fraction form
    23,675.18/32,670.73 = 12,919.79/x
  3. Step 3: Cross multiply
    23,675.18x = 32,670.73 × 12,919.79
  4. Step 4: Simplify right side
    23,675.18x = 422,098,807.39
  5. Step 5: Solve for x
    x = 422,098,807.39/23,675.18
  6. Step 6: Final answer
    x = 17,828.75

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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.