Home / 20,497.41-28,226.88-17,807.40

Finding the Fourth Proportional to 20,497.41, 28,226.88 and 17,807.40

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Solution

The fourth proportional to 20,497.41, 28,226.88 and 17,807.40 is: 24,522.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,497.41 : 28,226.88 = 17,807.40 : x
  2. Step 2: Convert to fraction form
    20,497.41/28,226.88 = 17,807.40/x
  3. Step 3: Cross multiply
    20,497.41x = 28,226.88 × 17,807.40
  4. Step 4: Simplify right side
    20,497.41x = 502,647,347.18
  5. Step 5: Solve for x
    x = 502,647,347.18/20,497.41
  6. Step 6: Final answer
    x = 24,522.48

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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.