Home / 13,584.51-18,746.62-7,616.18

Finding the Fourth Proportional to 13,584.51, 18,746.62 and 7,616.18

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Solution

The fourth proportional to 13,584.51, 18,746.62 and 7,616.18 is: 10,510.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.51 : 18,746.62 = 7,616.18 : x
  2. Step 2: Convert to fraction form
    13,584.51/18,746.62 = 7,616.18/x
  3. Step 3: Cross multiply
    13,584.51x = 18,746.62 × 7,616.18
  4. Step 4: Simplify right side
    13,584.51x = 142,777,597.53
  5. Step 5: Solve for x
    x = 142,777,597.53/13,584.51
  6. Step 6: Final answer
    x = 10,510.32

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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.