Home / 25,649.87-35,393.63-14,319.99

Finding the Fourth Proportional to 25,649.87, 35,393.63 and 14,319.99

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Solution

The fourth proportional to 25,649.87, 35,393.63 and 14,319.99 is: 19,759.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,649.87 : 35,393.63 = 14,319.99 : x
  2. Step 2: Convert to fraction form
    25,649.87/35,393.63 = 14,319.99/x
  3. Step 3: Cross multiply
    25,649.87x = 35,393.63 × 14,319.99
  4. Step 4: Simplify right side
    25,649.87x = 506,836,356.06
  5. Step 5: Solve for x
    x = 506,836,356.06/25,649.87
  6. Step 6: Final answer
    x = 19,759.81

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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.