Home / 18,426.60-25,429.68-10,043.64

Finding the Fourth Proportional to 18,426.60, 25,429.68 and 10,043.64

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Solution

The fourth proportional to 18,426.60, 25,429.68 and 10,043.64 is: 13,860.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.60 : 25,429.68 = 10,043.64 : x
  2. Step 2: Convert to fraction form
    18,426.60/25,429.68 = 10,043.64/x
  3. Step 3: Cross multiply
    18,426.60x = 25,429.68 × 10,043.64
  4. Step 4: Simplify right side
    18,426.60x = 255,406,551.24
  5. Step 5: Solve for x
    x = 255,406,551.24/18,426.60
  6. Step 6: Final answer
    x = 13,860.75

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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.