Home / 13,228.04-18,254.92-7,260.26

Finding the Fourth Proportional to 13,228.04, 18,254.92 and 7,260.26

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Solution

The fourth proportional to 13,228.04, 18,254.92 and 7,260.26 is: 10,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.04 : 18,254.92 = 7,260.26 : x
  2. Step 2: Convert to fraction form
    13,228.04/18,254.92 = 7,260.26/x
  3. Step 3: Cross multiply
    13,228.04x = 18,254.92 × 7,260.26
  4. Step 4: Simplify right side
    13,228.04x = 132,535,429.18
  5. Step 5: Solve for x
    x = 132,535,429.18/13,228.04
  6. Step 6: Final answer
    x = 10,019.28

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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.