Home / 18,933.62-26,127.32-10,435.71

Finding the Fourth Proportional to 18,933.62, 26,127.32 and 10,435.71

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Solution

The fourth proportional to 18,933.62, 26,127.32 and 10,435.71 is: 14,400.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933.62 : 26,127.32 = 10,435.71 : x
  2. Step 2: Convert to fraction form
    18,933.62/26,127.32 = 10,435.71/x
  3. Step 3: Cross multiply
    18,933.62x = 26,127.32 × 10,435.71
  4. Step 4: Simplify right side
    18,933.62x = 272,657,134.60
  5. Step 5: Solve for x
    x = 272,657,134.60/18,933.62
  6. Step 6: Final answer
    x = 14,400.69

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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.