Home / 25,087.65-34,622.51-13,909.65

Finding the Fourth Proportional to 25,087.65, 34,622.51 and 13,909.65

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Solution

The fourth proportional to 25,087.65, 34,622.51 and 13,909.65 is: 19,196.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,087.65 : 34,622.51 = 13,909.65 : x
  2. Step 2: Convert to fraction form
    25,087.65/34,622.51 = 13,909.65/x
  3. Step 3: Cross multiply
    25,087.65x = 34,622.51 × 13,909.65
  4. Step 4: Simplify right side
    25,087.65x = 481,586,996.22
  5. Step 5: Solve for x
    x = 481,586,996.22/25,087.65
  6. Step 6: Final answer
    x = 19,196.18

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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.