Home / 13,225.04-18,215.52-9,857.06

Finding the Fourth Proportional to 13,225.04, 18,215.52 and 9,857.06

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Solution

The fourth proportional to 13,225.04, 18,215.52 and 9,857.06 is: 13,576.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.04 : 18,215.52 = 9,857.06 : x
  2. Step 2: Convert to fraction form
    13,225.04/18,215.52 = 9,857.06/x
  3. Step 3: Cross multiply
    13,225.04x = 18,215.52 × 9,857.06
  4. Step 4: Simplify right side
    13,225.04x = 179,551,473.57
  5. Step 5: Solve for x
    x = 179,551,473.57/13,225.04
  6. Step 6: Final answer
    x = 13,576.63

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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.