Home / 17,838.36-24,618.66-9,880.92

Finding the Fourth Proportional to 17,838.36, 24,618.66 and 9,880.92

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Solution

The fourth proportional to 17,838.36, 24,618.66 and 9,880.92 is: 13,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,838.36 : 24,618.66 = 9,880.92 : x
  2. Step 2: Convert to fraction form
    17,838.36/24,618.66 = 9,880.92/x
  3. Step 3: Cross multiply
    17,838.36x = 24,618.66 × 9,880.92
  4. Step 4: Simplify right side
    17,838.36x = 243,255,009.97
  5. Step 5: Solve for x
    x = 243,255,009.97/17,838.36
  6. Step 6: Final answer
    x = 13,636.62

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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.