Home / 17,112.60-25,652.70-13,362.30

Finding the Fourth Proportional to 17,112.60, 25,652.70 and 13,362.30

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Solution

The fourth proportional to 17,112.60, 25,652.70 and 13,362.30 is: 20,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,112.60 : 25,652.70 = 13,362.30 : x
  2. Step 2: Convert to fraction form
    17,112.60/25,652.70 = 13,362.30/x
  3. Step 3: Cross multiply
    17,112.60x = 25,652.70 × 13,362.30
  4. Step 4: Simplify right side
    17,112.60x = 342,779,073.21
  5. Step 5: Solve for x
    x = 342,779,073.21/17,112.60
  6. Step 6: Final answer
    x = 20,030.80

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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.