Home / 13,707.08-20,560.56-4,940.84

Finding the Fourth Proportional to 13,707.08, 20,560.56 and 4,940.84

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Solution

The fourth proportional to 13,707.08, 20,560.56 and 4,940.84 is: 7,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.08 : 20,560.56 = 4,940.84 : x
  2. Step 2: Convert to fraction form
    13,707.08/20,560.56 = 4,940.84/x
  3. Step 3: Cross multiply
    13,707.08x = 20,560.56 × 4,940.84
  4. Step 4: Simplify right side
    13,707.08x = 101,586,437.27
  5. Step 5: Solve for x
    x = 101,586,437.27/13,707.08
  6. Step 6: Final answer
    x = 7,411.24

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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.