Home / 13,493.56-18,620.70-7,526.24

Finding the Fourth Proportional to 13,493.56, 18,620.70 and 7,526.24

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Solution

The fourth proportional to 13,493.56, 18,620.70 and 7,526.24 is: 10,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.56 : 18,620.70 = 7,526.24 : x
  2. Step 2: Convert to fraction form
    13,493.56/18,620.70 = 7,526.24/x
  3. Step 3: Cross multiply
    13,493.56x = 18,620.70 × 7,526.24
  4. Step 4: Simplify right side
    13,493.56x = 140,143,848.00
  5. Step 5: Solve for x
    x = 140,143,848.00/13,493.56
  6. Step 6: Final answer
    x = 10,385.98

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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.