Home / 16,515.58-24,775.95-5,419.74

Finding the Fourth Proportional to 16,515.58, 24,775.95 and 5,419.74

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Solution

The fourth proportional to 16,515.58, 24,775.95 and 5,419.74 is: 8,130.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.58 : 24,775.95 = 5,419.74 : x
  2. Step 2: Convert to fraction form
    16,515.58/24,775.95 = 5,419.74/x
  3. Step 3: Cross multiply
    16,515.58x = 24,775.95 × 5,419.74
  4. Step 4: Simplify right side
    16,515.58x = 134,279,207.25
  5. Step 5: Solve for x
    x = 134,279,207.25/16,515.58
  6. Step 6: Final answer
    x = 8,130.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.