Home / 17,369.51-23,969.76-9,815.70

Finding the Fourth Proportional to 17,369.51, 23,969.76 and 9,815.70

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Solution

The fourth proportional to 17,369.51, 23,969.76 and 9,815.70 is: 13,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,369.51 : 23,969.76 = 9,815.70 : x
  2. Step 2: Convert to fraction form
    17,369.51/23,969.76 = 9,815.70/x
  3. Step 3: Cross multiply
    17,369.51x = 23,969.76 × 9,815.70
  4. Step 4: Simplify right side
    17,369.51x = 235,279,973.23
  5. Step 5: Solve for x
    x = 235,279,973.23/17,369.51
  6. Step 6: Final answer
    x = 13,545.58

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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.