Home / 17,386.76-23,993.80-9,429.06

Finding the Fourth Proportional to 17,386.76, 23,993.80 and 9,429.06

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Solution

The fourth proportional to 17,386.76, 23,993.80 and 9,429.06 is: 13,012.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,386.76 : 23,993.80 = 9,429.06 : x
  2. Step 2: Convert to fraction form
    17,386.76/23,993.80 = 9,429.06/x
  3. Step 3: Cross multiply
    17,386.76x = 23,993.80 × 9,429.06
  4. Step 4: Simplify right side
    17,386.76x = 226,238,979.83
  5. Step 5: Solve for x
    x = 226,238,979.83/17,386.76
  6. Step 6: Final answer
    x = 13,012.14

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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.