Home / 23,887.85-32,965.04-12,985.92

Finding the Fourth Proportional to 23,887.85, 32,965.04 and 12,985.92

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Solution

The fourth proportional to 23,887.85, 32,965.04 and 12,985.92 is: 17,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,887.85 : 32,965.04 = 12,985.92 : x
  2. Step 2: Convert to fraction form
    23,887.85/32,965.04 = 12,985.92/x
  3. Step 3: Cross multiply
    23,887.85x = 32,965.04 × 12,985.92
  4. Step 4: Simplify right side
    23,887.85x = 428,081,142.48
  5. Step 5: Solve for x
    x = 428,081,142.48/23,887.85
  6. Step 6: Final answer
    x = 17,920.46

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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.