Home / 13,584.68-18,746.70-7,616.34

Finding the Fourth Proportional to 13,584.68, 18,746.70 and 7,616.34

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Solution

The fourth proportional to 13,584.68, 18,746.70 and 7,616.34 is: 10,510.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.68 : 18,746.70 = 7,616.34 : x
  2. Step 2: Convert to fraction form
    13,584.68/18,746.70 = 7,616.34/x
  3. Step 3: Cross multiply
    13,584.68x = 18,746.70 × 7,616.34
  4. Step 4: Simplify right side
    13,584.68x = 142,781,241.08
  5. Step 5: Solve for x
    x = 142,781,241.08/13,584.68
  6. Step 6: Final answer
    x = 10,510.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.