Home / 13,584.45-18,746.55-7,616.16

Finding the Fourth Proportional to 13,584.45, 18,746.55 and 7,616.16

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Solution

The fourth proportional to 13,584.45, 18,746.55 and 7,616.16 is: 10,510.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.45 : 18,746.55 = 7,616.16 : x
  2. Step 2: Convert to fraction form
    13,584.45/18,746.55 = 7,616.16/x
  3. Step 3: Cross multiply
    13,584.45x = 18,746.55 × 7,616.16
  4. Step 4: Simplify right side
    13,584.45x = 142,776,724.25
  5. Step 5: Solve for x
    x = 142,776,724.25/13,584.45
  6. Step 6: Final answer
    x = 10,510.31

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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.