Home / 25,681.89-35,441.04-14,351.87

Finding the Fourth Proportional to 25,681.89, 35,441.04 and 14,351.87

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Solution

The fourth proportional to 25,681.89, 35,441.04 and 14,351.87 is: 19,805.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,681.89 : 35,441.04 = 14,351.87 : x
  2. Step 2: Convert to fraction form
    25,681.89/35,441.04 = 14,351.87/x
  3. Step 3: Cross multiply
    25,681.89x = 35,441.04 × 14,351.87
  4. Step 4: Simplify right side
    25,681.89x = 508,645,021.54
  5. Step 5: Solve for x
    x = 508,645,021.54/25,681.89
  6. Step 6: Final answer
    x = 19,805.59

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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.