Home / 20,926.32-28,895.04-16,202.40

Finding the Fourth Proportional to 20,926.32, 28,895.04 and 16,202.40

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Solution

The fourth proportional to 20,926.32, 28,895.04 and 16,202.40 is: 22,372.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,926.32 : 28,895.04 = 16,202.40 : x
  2. Step 2: Convert to fraction form
    20,926.32/28,895.04 = 16,202.40/x
  3. Step 3: Cross multiply
    20,926.32x = 28,895.04 × 16,202.40
  4. Step 4: Simplify right side
    20,926.32x = 468,168,996.10
  5. Step 5: Solve for x
    x = 468,168,996.10/20,926.32
  6. Step 6: Final answer
    x = 22,372.26

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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.