Home / 15,968.60-21,877.08-15,370.03

Finding the Fourth Proportional to 15,968.60, 21,877.08 and 15,370.03

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Solution

The fourth proportional to 15,968.60, 21,877.08 and 15,370.03 is: 21,057.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,968.60 : 21,877.08 = 15,370.03 : x
  2. Step 2: Convert to fraction form
    15,968.60/21,877.08 = 15,370.03/x
  3. Step 3: Cross multiply
    15,968.60x = 21,877.08 × 15,370.03
  4. Step 4: Simplify right side
    15,968.60x = 336,251,345.62
  5. Step 5: Solve for x
    x = 336,251,345.62/15,968.60
  6. Step 6: Final answer
    x = 21,057.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.