Home / 18,932.39-26,127.83-10,434.48

Finding the Fourth Proportional to 18,932.39, 26,127.83 and 10,434.48

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Solution

The fourth proportional to 18,932.39, 26,127.83 and 10,434.48 is: 14,400.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.39 : 26,127.83 = 10,434.48 : x
  2. Step 2: Convert to fraction form
    18,932.39/26,127.83 = 10,434.48/x
  3. Step 3: Cross multiply
    18,932.39x = 26,127.83 × 10,434.48
  4. Step 4: Simplify right side
    18,932.39x = 272,630,319.58
  5. Step 5: Solve for x
    x = 272,630,319.58/18,932.39
  6. Step 6: Final answer
    x = 14,400.21

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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.