Home / 18,810.09-25,956.52-10,310.90

Finding the Fourth Proportional to 18,810.09, 25,956.52 and 10,310.90

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Solution

The fourth proportional to 18,810.09, 25,956.52 and 10,310.90 is: 14,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,810.09 : 25,956.52 = 10,310.90 : x
  2. Step 2: Convert to fraction form
    18,810.09/25,956.52 = 10,310.90/x
  3. Step 3: Cross multiply
    18,810.09x = 25,956.52 × 10,310.90
  4. Step 4: Simplify right side
    18,810.09x = 267,634,926.51
  5. Step 5: Solve for x
    x = 267,634,926.51/18,810.09
  6. Step 6: Final answer
    x = 14,228.26

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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.