Home / 23,513.39-32,450.51-12,905.09

Finding the Fourth Proportional to 23,513.39, 32,450.51 and 12,905.09

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Solution

The fourth proportional to 23,513.39, 32,450.51 and 12,905.09 is: 17,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,513.39 : 32,450.51 = 12,905.09 : x
  2. Step 2: Convert to fraction form
    23,513.39/32,450.51 = 12,905.09/x
  3. Step 3: Cross multiply
    23,513.39x = 32,450.51 × 12,905.09
  4. Step 4: Simplify right side
    23,513.39x = 418,776,687.57
  5. Step 5: Solve for x
    x = 418,776,687.57/23,513.39
  6. Step 6: Final answer
    x = 17,810.14

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Half scale
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Double scale
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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.