Home / 19,389.06-26,770.41-13,025.34

Finding the Fourth Proportional to 19,389.06, 26,770.41 and 13,025.34

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Solution

The fourth proportional to 19,389.06, 26,770.41 and 13,025.34 is: 17,984.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.06 : 26,770.41 = 13,025.34 : x
  2. Step 2: Convert to fraction form
    19,389.06/26,770.41 = 13,025.34/x
  3. Step 3: Cross multiply
    19,389.06x = 26,770.41 × 13,025.34
  4. Step 4: Simplify right side
    19,389.06x = 348,693,692.19
  5. Step 5: Solve for x
    x = 348,693,692.19/19,389.06
  6. Step 6: Final answer
    x = 17,984.04

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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.