Home / 13,235.18-18,264.95-7,267.25

Finding the Fourth Proportional to 13,235.18, 18,264.95 and 7,267.25

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Solution

The fourth proportional to 13,235.18, 18,264.95 and 7,267.25 is: 10,029.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.18 : 18,264.95 = 7,267.25 : x
  2. Step 2: Convert to fraction form
    13,235.18/18,264.95 = 7,267.25/x
  3. Step 3: Cross multiply
    13,235.18x = 18,264.95 × 7,267.25
  4. Step 4: Simplify right side
    13,235.18x = 132,735,957.89
  5. Step 5: Solve for x
    x = 132,735,957.89/13,235.18
  6. Step 6: Final answer
    x = 10,029.03

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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.