Home / 18,310.40-25,268.28-9,926.84

Finding the Fourth Proportional to 18,310.40, 25,268.28 and 9,926.84

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Solution

The fourth proportional to 18,310.40, 25,268.28 and 9,926.84 is: 13,699.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.40 : 25,268.28 = 9,926.84 : x
  2. Step 2: Convert to fraction form
    18,310.40/25,268.28 = 9,926.84/x
  3. Step 3: Cross multiply
    18,310.40x = 25,268.28 × 9,926.84
  4. Step 4: Simplify right side
    18,310.40x = 250,834,172.64
  5. Step 5: Solve for x
    x = 250,834,172.64/18,310.40
  6. Step 6: Final answer
    x = 13,699.00

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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.