Home / 17,838.12-24,616.28-9,880.16

Finding the Fourth Proportional to 17,838.12, 24,616.28 and 9,880.16

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Solution

The fourth proportional to 17,838.12, 24,616.28 and 9,880.16 is: 13,634.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,838.12 : 24,616.28 = 9,880.16 : x
  2. Step 2: Convert to fraction form
    17,838.12/24,616.28 = 9,880.16/x
  3. Step 3: Cross multiply
    17,838.12x = 24,616.28 × 9,880.16
  4. Step 4: Simplify right side
    17,838.12x = 243,212,785.00
  5. Step 5: Solve for x
    x = 243,212,785.00/17,838.12
  6. Step 6: Final answer
    x = 13,634.44

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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.