Home / 23,431.66-32,335.64-12,821.26

Finding the Fourth Proportional to 23,431.66, 32,335.64 and 12,821.26

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Solution

The fourth proportional to 23,431.66, 32,335.64 and 12,821.26 is: 17,693.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.66 : 32,335.64 = 12,821.26 : x
  2. Step 2: Convert to fraction form
    23,431.66/32,335.64 = 12,821.26/x
  3. Step 3: Cross multiply
    23,431.66x = 32,335.64 × 12,821.26
  4. Step 4: Simplify right side
    23,431.66x = 414,583,647.71
  5. Step 5: Solve for x
    x = 414,583,647.71/23,431.66
  6. Step 6: Final answer
    x = 17,693.31

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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.