Home / 13,193.24-18,206.51-7,224.77

Finding the Fourth Proportional to 13,193.24, 18,206.51 and 7,224.77

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Solution

The fourth proportional to 13,193.24, 18,206.51 and 7,224.77 is: 9,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.24 : 18,206.51 = 7,224.77 : x
  2. Step 2: Convert to fraction form
    13,193.24/18,206.51 = 7,224.77/x
  3. Step 3: Cross multiply
    13,193.24x = 18,206.51 × 7,224.77
  4. Step 4: Simplify right side
    13,193.24x = 131,537,856.65
  5. Step 5: Solve for x
    x = 131,537,856.65/13,193.24
  6. Step 6: Final answer
    x = 9,970.10

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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.