Home / 16,835.60-25,237.20-13,085.30

Finding the Fourth Proportional to 16,835.60, 25,237.20 and 13,085.30

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Solution

The fourth proportional to 16,835.60, 25,237.20 and 13,085.30 is: 19,615.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,835.60 : 25,237.20 = 13,085.30 : x
  2. Step 2: Convert to fraction form
    16,835.60/25,237.20 = 13,085.30/x
  3. Step 3: Cross multiply
    16,835.60x = 25,237.20 × 13,085.30
  4. Step 4: Simplify right side
    16,835.60x = 330,236,333.16
  5. Step 5: Solve for x
    x = 330,236,333.16/16,835.60
  6. Step 6: Final answer
    x = 19,615.36

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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.