Home / 25,206.39-34,784.94-13,877.02

Finding the Fourth Proportional to 25,206.39, 34,784.94 and 13,877.02

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Solution

The fourth proportional to 25,206.39, 34,784.94 and 13,877.02 is: 19,150.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,206.39 : 34,784.94 = 13,877.02 : x
  2. Step 2: Convert to fraction form
    25,206.39/34,784.94 = 13,877.02/x
  3. Step 3: Cross multiply
    25,206.39x = 34,784.94 × 13,877.02
  4. Step 4: Simplify right side
    25,206.39x = 482,711,403.60
  5. Step 5: Solve for x
    x = 482,711,403.60/25,206.39
  6. Step 6: Final answer
    x = 19,150.36

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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.