Home / 18,767.88-25,899.75-10,810.58

Finding the Fourth Proportional to 18,767.88, 25,899.75 and 10,810.58

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Solution

The fourth proportional to 18,767.88, 25,899.75 and 10,810.58 is: 14,918.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.88 : 25,899.75 = 10,810.58 : x
  2. Step 2: Convert to fraction form
    18,767.88/25,899.75 = 10,810.58/x
  3. Step 3: Cross multiply
    18,767.88x = 25,899.75 × 10,810.58
  4. Step 4: Simplify right side
    18,767.88x = 279,991,189.86
  5. Step 5: Solve for x
    x = 279,991,189.86/18,767.88
  6. Step 6: Final answer
    x = 14,918.64

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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.