Home / 19,331.19-28,995.87-6,851.01

Finding the Fourth Proportional to 19,331.19, 28,995.87 and 6,851.01

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Solution

The fourth proportional to 19,331.19, 28,995.87 and 6,851.01 is: 10,276.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.19 : 28,995.87 = 6,851.01 : x
  2. Step 2: Convert to fraction form
    19,331.19/28,995.87 = 6,851.01/x
  3. Step 3: Cross multiply
    19,331.19x = 28,995.87 × 6,851.01
  4. Step 4: Simplify right side
    19,331.19x = 198,650,995.33
  5. Step 5: Solve for x
    x = 198,650,995.33/19,331.19
  6. Step 6: Final answer
    x = 10,276.19

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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.