Home / 13,475.63-18,596.37-7,813.68

Finding the Fourth Proportional to 13,475.63, 18,596.37 and 7,813.68

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Solution

The fourth proportional to 13,475.63, 18,596.37 and 7,813.68 is: 10,782.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.63 : 18,596.37 = 7,813.68 : x
  2. Step 2: Convert to fraction form
    13,475.63/18,596.37 = 7,813.68/x
  3. Step 3: Cross multiply
    13,475.63x = 18,596.37 × 7,813.68
  4. Step 4: Simplify right side
    13,475.63x = 145,306,084.34
  5. Step 5: Solve for x
    x = 145,306,084.34/13,475.63
  6. Step 6: Final answer
    x = 10,782.88

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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.