Home / 18,122.66-25,009.32-10,574.18

Finding the Fourth Proportional to 18,122.66, 25,009.32 and 10,574.18

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Solution

The fourth proportional to 18,122.66, 25,009.32 and 10,574.18 is: 14,592.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.66 : 25,009.32 = 10,574.18 : x
  2. Step 2: Convert to fraction form
    18,122.66/25,009.32 = 10,574.18/x
  3. Step 3: Cross multiply
    18,122.66x = 25,009.32 × 10,574.18
  4. Step 4: Simplify right side
    18,122.66x = 264,452,998.49
  5. Step 5: Solve for x
    x = 264,452,998.49/18,122.66
  6. Step 6: Final answer
    x = 14,592.39

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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.