Home / 13,715.24-20,573.57-4,355.99

Finding the Fourth Proportional to 13,715.24, 20,573.57 and 4,355.99

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Solution

The fourth proportional to 13,715.24, 20,573.57 and 4,355.99 is: 6,534.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715.24 : 20,573.57 = 4,355.99 : x
  2. Step 2: Convert to fraction form
    13,715.24/20,573.57 = 4,355.99/x
  3. Step 3: Cross multiply
    13,715.24x = 20,573.57 × 4,355.99
  4. Step 4: Simplify right side
    13,715.24x = 89,618,267.04
  5. Step 5: Solve for x
    x = 89,618,267.04/13,715.24
  6. Step 6: Final answer
    x = 6,534.21

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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.