Home / 20,888.01-31,295.50-17,400.44

Finding the Fourth Proportional to 20,888.01, 31,295.50 and 17,400.44

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Solution

The fourth proportional to 20,888.01, 31,295.50 and 17,400.44 is: 26,070.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,888.01 : 31,295.50 = 17,400.44 : x
  2. Step 2: Convert to fraction form
    20,888.01/31,295.50 = 17,400.44/x
  3. Step 3: Cross multiply
    20,888.01x = 31,295.50 × 17,400.44
  4. Step 4: Simplify right side
    20,888.01x = 544,555,504.76
  5. Step 5: Solve for x
    x = 544,555,504.76/20,888.01
  6. Step 6: Final answer
    x = 26,070.24

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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.