Home / 23,387.40-32,284.73-15,855.58

Finding the Fourth Proportional to 23,387.40, 32,284.73 and 15,855.58

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Solution

The fourth proportional to 23,387.40, 32,284.73 and 15,855.58 is: 21,887.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,387.40 : 32,284.73 = 15,855.58 : x
  2. Step 2: Convert to fraction form
    23,387.40/32,284.73 = 15,855.58/x
  3. Step 3: Cross multiply
    23,387.40x = 32,284.73 × 15,855.58
  4. Step 4: Simplify right side
    23,387.40x = 511,893,142.34
  5. Step 5: Solve for x
    x = 511,893,142.34/23,387.40
  6. Step 6: Final answer
    x = 21,887.56

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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.