Home / 13,267.77-18,309.95-7,300.09

Finding the Fourth Proportional to 13,267.77, 18,309.95 and 7,300.09

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Solution

The fourth proportional to 13,267.77, 18,309.95 and 7,300.09 is: 10,074.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.77 : 18,309.95 = 7,300.09 : x
  2. Step 2: Convert to fraction form
    13,267.77/18,309.95 = 7,300.09/x
  3. Step 3: Cross multiply
    13,267.77x = 18,309.95 × 7,300.09
  4. Step 4: Simplify right side
    13,267.77x = 133,664,282.90
  5. Step 5: Solve for x
    x = 133,664,282.90/13,267.77
  6. Step 6: Final answer
    x = 10,074.36

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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.