Home / 13,235.57-18,265.31-7,267.49

Finding the Fourth Proportional to 13,235.57, 18,265.31 and 7,267.49

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Solution

The fourth proportional to 13,235.57, 18,265.31 and 7,267.49 is: 10,029.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.57 : 18,265.31 = 7,267.49 : x
  2. Step 2: Convert to fraction form
    13,235.57/18,265.31 = 7,267.49/x
  3. Step 3: Cross multiply
    13,235.57x = 18,265.31 × 7,267.49
  4. Step 4: Simplify right side
    13,235.57x = 132,742,830.11
  5. Step 5: Solve for x
    x = 132,742,830.11/13,235.57
  6. Step 6: Final answer
    x = 10,029.25

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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.