Home / 13,599.24-18,767.24-7,631.34

Finding the Fourth Proportional to 13,599.24, 18,767.24 and 7,631.34

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Solution

The fourth proportional to 13,599.24, 18,767.24 and 7,631.34 is: 10,531.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.24 : 18,767.24 = 7,631.34 : x
  2. Step 2: Convert to fraction form
    13,599.24/18,767.24 = 7,631.34/x
  3. Step 3: Cross multiply
    13,599.24x = 18,767.24 × 7,631.34
  4. Step 4: Simplify right side
    13,599.24x = 143,219,189.30
  5. Step 5: Solve for x
    x = 143,219,189.30/13,599.24
  6. Step 6: Final answer
    x = 10,531.41

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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.