Home / 17,946.74-24,766.08-9,988.79

Finding the Fourth Proportional to 17,946.74, 24,766.08 and 9,988.79

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Solution

The fourth proportional to 17,946.74, 24,766.08 and 9,988.79 is: 13,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,946.74 : 24,766.08 = 9,988.79 : x
  2. Step 2: Convert to fraction form
    17,946.74/24,766.08 = 9,988.79/x
  3. Step 3: Cross multiply
    17,946.74x = 24,766.08 × 9,988.79
  4. Step 4: Simplify right side
    17,946.74x = 247,383,172.24
  5. Step 5: Solve for x
    x = 247,383,172.24/17,946.74
  6. Step 6: Final answer
    x = 13,784.30

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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.