Home / 16,415.19-24,639.12-7,656.21

Finding the Fourth Proportional to 16,415.19, 24,639.12 and 7,656.21

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Solution

The fourth proportional to 16,415.19, 24,639.12 and 7,656.21 is: 11,491.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,415.19 : 24,639.12 = 7,656.21 : x
  2. Step 2: Convert to fraction form
    16,415.19/24,639.12 = 7,656.21/x
  3. Step 3: Cross multiply
    16,415.19x = 24,639.12 × 7,656.21
  4. Step 4: Simplify right side
    16,415.19x = 188,642,276.94
  5. Step 5: Solve for x
    x = 188,642,276.94/16,415.19
  6. Step 6: Final answer
    x = 11,491.93

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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.