Home / 26,185.71-36,133.58-15,573.30

Finding the Fourth Proportional to 26,185.71, 36,133.58 and 15,573.30

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Solution

The fourth proportional to 26,185.71, 36,133.58 and 15,573.30 is: 21,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,185.71 : 36,133.58 = 15,573.30 : x
  2. Step 2: Convert to fraction form
    26,185.71/36,133.58 = 15,573.30/x
  3. Step 3: Cross multiply
    26,185.71x = 36,133.58 × 15,573.30
  4. Step 4: Simplify right side
    26,185.71x = 562,719,003.55
  5. Step 5: Solve for x
    x = 562,719,003.55/26,185.71
  6. Step 6: Final answer
    x = 21,489.55

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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.