Home / 25,981.12-35,850.89-14,649.94

Finding the Fourth Proportional to 25,981.12, 35,850.89 and 14,649.94

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Solution

The fourth proportional to 25,981.12, 35,850.89 and 14,649.94 is: 20,215.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,981.12 : 35,850.89 = 14,649.94 : x
  2. Step 2: Convert to fraction form
    25,981.12/35,850.89 = 14,649.94/x
  3. Step 3: Cross multiply
    25,981.12x = 35,850.89 × 14,649.94
  4. Step 4: Simplify right side
    25,981.12x = 525,213,387.45
  5. Step 5: Solve for x
    x = 525,213,387.45/25,981.12
  6. Step 6: Final answer
    x = 20,215.19

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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.