Home / 18,386.96-25,356.36-12,350.84

Finding the Fourth Proportional to 18,386.96, 25,356.36 and 12,350.84

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Solution

The fourth proportional to 18,386.96, 25,356.36 and 12,350.84 is: 17,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386.96 : 25,356.36 = 12,350.84 : x
  2. Step 2: Convert to fraction form
    18,386.96/25,356.36 = 12,350.84/x
  3. Step 3: Cross multiply
    18,386.96x = 25,356.36 × 12,350.84
  4. Step 4: Simplify right side
    18,386.96x = 313,172,345.34
  5. Step 5: Solve for x
    x = 313,172,345.34/18,386.96
  6. Step 6: Final answer
    x = 17,032.31

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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.