Home / 22,476.60-31,019.58-12,405.96

Finding the Fourth Proportional to 22,476.60, 31,019.58 and 12,405.96

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Solution

The fourth proportional to 22,476.60, 31,019.58 and 12,405.96 is: 17,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,476.60 : 31,019.58 = 12,405.96 : x
  2. Step 2: Convert to fraction form
    22,476.60/31,019.58 = 12,405.96/x
  3. Step 3: Cross multiply
    22,476.60x = 31,019.58 × 12,405.96
  4. Step 4: Simplify right side
    22,476.60x = 384,827,668.70
  5. Step 5: Solve for x
    x = 384,827,668.70/22,476.60
  6. Step 6: Final answer
    x = 17,121.26

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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.