Home / 18,582.88-25,643.64-10,625.84

Finding the Fourth Proportional to 18,582.88, 25,643.64 and 10,625.84

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Solution

The fourth proportional to 18,582.88, 25,643.64 and 10,625.84 is: 14,663.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.88 : 25,643.64 = 10,625.84 : x
  2. Step 2: Convert to fraction form
    18,582.88/25,643.64 = 10,625.84/x
  3. Step 3: Cross multiply
    18,582.88x = 25,643.64 × 10,625.84
  4. Step 4: Simplify right side
    18,582.88x = 272,485,215.66
  5. Step 5: Solve for x
    x = 272,485,215.66/18,582.88
  6. Step 6: Final answer
    x = 14,663.24

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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.