Home / 18,643.36-25,722.05-10,575.69

Finding the Fourth Proportional to 18,643.36, 25,722.05 and 10,575.69

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Solution

The fourth proportional to 18,643.36, 25,722.05 and 10,575.69 is: 14,591.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,643.36 : 25,722.05 = 10,575.69 : x
  2. Step 2: Convert to fraction form
    18,643.36/25,722.05 = 10,575.69/x
  3. Step 3: Cross multiply
    18,643.36x = 25,722.05 × 10,575.69
  4. Step 4: Simplify right side
    18,643.36x = 272,028,245.48
  5. Step 5: Solve for x
    x = 272,028,245.48/18,643.36
  6. Step 6: Final answer
    x = 14,591.16

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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.