Home / 16,426.32-22,651-15,094.68

Finding the Fourth Proportional to 16,426.32, 22,651 and 15,094.68

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Solution

The fourth proportional to 16,426.32, 22,651 and 15,094.68 is: 20,814.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,426.32 : 22,651 = 15,094.68 : x
  2. Step 2: Convert to fraction form
    16,426.32/22,651 = 15,094.68/x
  3. Step 3: Cross multiply
    16,426.32x = 22,651 × 15,094.68
  4. Step 4: Simplify right side
    16,426.32x = 341,909,596.68
  5. Step 5: Solve for x
    x = 341,909,596.68/16,426.32
  6. Step 6: Final answer
    x = 20,814.74

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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.