Home / 25,210.68-34,791.58-13,880.74

Finding the Fourth Proportional to 25,210.68, 34,791.58 and 13,880.74

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Solution

The fourth proportional to 25,210.68, 34,791.58 and 13,880.74 is: 19,155.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,210.68 : 34,791.58 = 13,880.74 : x
  2. Step 2: Convert to fraction form
    25,210.68/34,791.58 = 13,880.74/x
  3. Step 3: Cross multiply
    25,210.68x = 34,791.58 × 13,880.74
  4. Step 4: Simplify right side
    25,210.68x = 482,932,876.17
  5. Step 5: Solve for x
    x = 482,932,876.17/25,210.68
  6. Step 6: Final answer
    x = 19,155.88

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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.