Home / 17,061.80-23,545.45-9,405.34

Finding the Fourth Proportional to 17,061.80, 23,545.45 and 9,405.34

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Solution

The fourth proportional to 17,061.80, 23,545.45 and 9,405.34 is: 12,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,061.80 : 23,545.45 = 9,405.34 : x
  2. Step 2: Convert to fraction form
    17,061.80/23,545.45 = 9,405.34/x
  3. Step 3: Cross multiply
    17,061.80x = 23,545.45 × 9,405.34
  4. Step 4: Simplify right side
    17,061.80x = 221,453,048.04
  5. Step 5: Solve for x
    x = 221,453,048.04/17,061.80
  6. Step 6: Final answer
    x = 12,979.47

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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.