Home / 18,400.68-27,607.32-7,866.36

Finding the Fourth Proportional to 18,400.68, 27,607.32 and 7,866.36

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Solution

The fourth proportional to 18,400.68, 27,607.32 and 7,866.36 is: 11,802.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.68 : 27,607.32 = 7,866.36 : x
  2. Step 2: Convert to fraction form
    18,400.68/27,607.32 = 7,866.36/x
  3. Step 3: Cross multiply
    18,400.68x = 27,607.32 × 7,866.36
  4. Step 4: Simplify right side
    18,400.68x = 217,169,117.76
  5. Step 5: Solve for x
    x = 217,169,117.76/18,400.68
  6. Step 6: Final answer
    x = 11,802.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.