Home / 25,220.43-34,804.35-13,891.05

Finding the Fourth Proportional to 25,220.43, 34,804.35 and 13,891.05

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Solution

The fourth proportional to 25,220.43, 34,804.35 and 13,891.05 is: 19,169.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,220.43 : 34,804.35 = 13,891.05 : x
  2. Step 2: Convert to fraction form
    25,220.43/34,804.35 = 13,891.05/x
  3. Step 3: Cross multiply
    25,220.43x = 34,804.35 × 13,891.05
  4. Step 4: Simplify right side
    25,220.43x = 483,468,966.07
  5. Step 5: Solve for x
    x = 483,468,966.07/25,220.43
  6. Step 6: Final answer
    x = 19,169.74

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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.