Home / 25,089.71-34,624.56-13,759.68

Finding the Fourth Proportional to 25,089.71, 34,624.56 and 13,759.68

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Solution

The fourth proportional to 25,089.71, 34,624.56 and 13,759.68 is: 18,988.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,089.71 : 34,624.56 = 13,759.68 : x
  2. Step 2: Convert to fraction form
    25,089.71/34,624.56 = 13,759.68/x
  3. Step 3: Cross multiply
    25,089.71x = 34,624.56 × 13,759.68
  4. Step 4: Simplify right side
    25,089.71x = 476,422,692.62
  5. Step 5: Solve for x
    x = 476,422,692.62/25,089.71
  6. Step 6: Final answer
    x = 18,988.77

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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.