Home / 18,933.77-26,128.79-10,436.19

Finding the Fourth Proportional to 18,933.77, 26,128.79 and 10,436.19

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Solution

The fourth proportional to 18,933.77, 26,128.79 and 10,436.19 is: 14,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933.77 : 26,128.79 = 10,436.19 : x
  2. Step 2: Convert to fraction form
    18,933.77/26,128.79 = 10,436.19/x
  3. Step 3: Cross multiply
    18,933.77x = 26,128.79 × 10,436.19
  4. Step 4: Simplify right side
    18,933.77x = 272,684,964.73
  5. Step 5: Solve for x
    x = 272,684,964.73/18,933.77
  6. Step 6: Final answer
    x = 14,402.05

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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.