Home / 23,528.30-32,469.10-12,918.60

Finding the Fourth Proportional to 23,528.30, 32,469.10 and 12,918.60

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Solution

The fourth proportional to 23,528.30, 32,469.10 and 12,918.60 is: 17,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,528.30 : 32,469.10 = 12,918.60 : x
  2. Step 2: Convert to fraction form
    23,528.30/32,469.10 = 12,918.60/x
  3. Step 3: Cross multiply
    23,528.30x = 32,469.10 × 12,918.60
  4. Step 4: Simplify right side
    23,528.30x = 419,455,282.96
  5. Step 5: Solve for x
    x = 419,455,282.96/23,528.30
  6. Step 6: Final answer
    x = 17,827.70

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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.