Home / 20,446.07-28,265.90-20,258.96

Finding the Fourth Proportional to 20,446.07, 28,265.90 and 20,258.96

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Solution

The fourth proportional to 20,446.07, 28,265.90 and 20,258.96 is: 28,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.07 : 28,265.90 = 20,258.96 : x
  2. Step 2: Convert to fraction form
    20,446.07/28,265.90 = 20,258.96/x
  3. Step 3: Cross multiply
    20,446.07x = 28,265.90 × 20,258.96
  4. Step 4: Simplify right side
    20,446.07x = 572,637,706.83
  5. Step 5: Solve for x
    x = 572,637,706.83/20,446.07
  6. Step 6: Final answer
    x = 28,007.22

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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.