Home / 25,052.96-34,578.75-15,619.70

Finding the Fourth Proportional to 25,052.96, 34,578.75 and 15,619.70

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Solution

The fourth proportional to 25,052.96, 34,578.75 and 15,619.70 is: 21,558.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,052.96 : 34,578.75 = 15,619.70 : x
  2. Step 2: Convert to fraction form
    25,052.96/34,578.75 = 15,619.70/x
  3. Step 3: Cross multiply
    25,052.96x = 34,578.75 × 15,619.70
  4. Step 4: Simplify right side
    25,052.96x = 540,109,528.48
  5. Step 5: Solve for x
    x = 540,109,528.48/25,052.96
  6. Step 6: Final answer
    x = 21,558.72

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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.