Home / 18,582.68-25,642.84-10,199.72

Finding the Fourth Proportional to 18,582.68, 25,642.84 and 10,199.72

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Solution

The fourth proportional to 18,582.68, 25,642.84 and 10,199.72 is: 14,074.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.68 : 25,642.84 = 10,199.72 : x
  2. Step 2: Convert to fraction form
    18,582.68/25,642.84 = 10,199.72/x
  3. Step 3: Cross multiply
    18,582.68x = 25,642.84 × 10,199.72
  4. Step 4: Simplify right side
    18,582.68x = 261,549,788.00
  5. Step 5: Solve for x
    x = 261,549,788.00/18,582.68
  6. Step 6: Final answer
    x = 14,074.92

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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.