Home / 14,355.58-21,533.14-6,960.68

Finding the Fourth Proportional to 14,355.58, 21,533.14 and 6,960.68

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Solution

The fourth proportional to 14,355.58, 21,533.14 and 6,960.68 is: 10,440.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.58 : 21,533.14 = 6,960.68 : x
  2. Step 2: Convert to fraction form
    14,355.58/21,533.14 = 6,960.68/x
  3. Step 3: Cross multiply
    14,355.58x = 21,533.14 × 6,960.68
  4. Step 4: Simplify right side
    14,355.58x = 149,885,296.94
  5. Step 5: Solve for x
    x = 149,885,296.94/14,355.58
  6. Step 6: Final answer
    x = 10,440.91

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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.