Home / 20,808.23-31,280.01-16,693.25

Finding the Fourth Proportional to 20,808.23, 31,280.01 and 16,693.25

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Solution

The fourth proportional to 20,808.23, 31,280.01 and 16,693.25 is: 25,094.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,808.23 : 31,280.01 = 16,693.25 : x
  2. Step 2: Convert to fraction form
    20,808.23/31,280.01 = 16,693.25/x
  3. Step 3: Cross multiply
    20,808.23x = 31,280.01 × 16,693.25
  4. Step 4: Simplify right side
    20,808.23x = 522,165,021.67
  5. Step 5: Solve for x
    x = 522,165,021.67/20,808.23
  6. Step 6: Final answer
    x = 25,094.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.