Home / 23,415.85-32,314.64-12,805.48

Finding the Fourth Proportional to 23,415.85, 32,314.64 and 12,805.48

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Solution

The fourth proportional to 23,415.85, 32,314.64 and 12,805.48 is: 17,671.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,415.85 : 32,314.64 = 12,805.48 : x
  2. Step 2: Convert to fraction form
    23,415.85/32,314.64 = 12,805.48/x
  3. Step 3: Cross multiply
    23,415.85x = 32,314.64 × 12,805.48
  4. Step 4: Simplify right side
    23,415.85x = 413,804,476.23
  5. Step 5: Solve for x
    x = 413,804,476.23/23,415.85
  6. Step 6: Final answer
    x = 17,671.98

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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.