Home / 23,340.15-32,208.84-12,729.42

Finding the Fourth Proportional to 23,340.15, 32,208.84 and 12,729.42

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Solution

The fourth proportional to 23,340.15, 32,208.84 and 12,729.42 is: 17,566.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,340.15 : 32,208.84 = 12,729.42 : x
  2. Step 2: Convert to fraction form
    23,340.15/32,208.84 = 12,729.42/x
  3. Step 3: Cross multiply
    23,340.15x = 32,208.84 × 12,729.42
  4. Step 4: Simplify right side
    23,340.15x = 409,999,852.07
  5. Step 5: Solve for x
    x = 409,999,852.07/23,340.15
  6. Step 6: Final answer
    x = 17,566.29

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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.