Home / 13,308.36-19,966.59-5,912.16

Finding the Fourth Proportional to 13,308.36, 19,966.59 and 5,912.16

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Solution

The fourth proportional to 13,308.36, 19,966.59 and 5,912.16 is: 8,870.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.36 : 19,966.59 = 5,912.16 : x
  2. Step 2: Convert to fraction form
    13,308.36/19,966.59 = 5,912.16/x
  3. Step 3: Cross multiply
    13,308.36x = 19,966.59 × 5,912.16
  4. Step 4: Simplify right side
    13,308.36x = 118,045,674.73
  5. Step 5: Solve for x
    x = 118,045,674.73/13,308.36
  6. Step 6: Final answer
    x = 8,870.04

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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.