Home / 14,835.90-20,475.44-9,735.72

Finding the Fourth Proportional to 14,835.90, 20,475.44 and 9,735.72

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Solution

The fourth proportional to 14,835.90, 20,475.44 and 9,735.72 is: 13,436.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,835.90 : 20,475.44 = 9,735.72 : x
  2. Step 2: Convert to fraction form
    14,835.90/20,475.44 = 9,735.72/x
  3. Step 3: Cross multiply
    14,835.90x = 20,475.44 × 9,735.72
  4. Step 4: Simplify right side
    14,835.90x = 199,343,150.72
  5. Step 5: Solve for x
    x = 199,343,150.72/14,835.90
  6. Step 6: Final answer
    x = 13,436.54

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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.