Home / 17,838.66-24,617.35-9,881.40

Finding the Fourth Proportional to 17,838.66, 24,617.35 and 9,881.40

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Solution

The fourth proportional to 17,838.66, 24,617.35 and 9,881.40 is: 13,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,838.66 : 24,617.35 = 9,881.40 : x
  2. Step 2: Convert to fraction form
    17,838.66/24,617.35 = 9,881.40/x
  3. Step 3: Cross multiply
    17,838.66x = 24,617.35 × 9,881.40
  4. Step 4: Simplify right side
    17,838.66x = 243,253,765.27
  5. Step 5: Solve for x
    x = 243,253,765.27/17,838.66
  6. Step 6: Final answer
    x = 13,636.33

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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.