Home / 25,505.51-35,182.95-15,928.76

Finding the Fourth Proportional to 25,505.51, 35,182.95 and 15,928.76

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Solution

The fourth proportional to 25,505.51, 35,182.95 and 15,928.76 is: 21,972.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,505.51 : 35,182.95 = 15,928.76 : x
  2. Step 2: Convert to fraction form
    25,505.51/35,182.95 = 15,928.76/x
  3. Step 3: Cross multiply
    25,505.51x = 35,182.95 × 15,928.76
  4. Step 4: Simplify right side
    25,505.51x = 560,420,766.64
  5. Step 5: Solve for x
    x = 560,420,766.64/25,505.51
  6. Step 6: Final answer
    x = 21,972.54

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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.