Home / 13,169.23-18,175.23-7,506.01

Finding the Fourth Proportional to 13,169.23, 18,175.23 and 7,506.01

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Solution

The fourth proportional to 13,169.23, 18,175.23 and 7,506.01 is: 10,359.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.23 : 18,175.23 = 7,506.01 : x
  2. Step 2: Convert to fraction form
    13,169.23/18,175.23 = 7,506.01/x
  3. Step 3: Cross multiply
    13,169.23x = 18,175.23 × 7,506.01
  4. Step 4: Simplify right side
    13,169.23x = 136,423,458.13
  5. Step 5: Solve for x
    x = 136,423,458.13/13,169.23
  6. Step 6: Final answer
    x = 10,359.26

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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.