Home / 18,930.86-26,124.77-10,433.29

Finding the Fourth Proportional to 18,930.86, 26,124.77 and 10,433.29

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Solution

The fourth proportional to 18,930.86, 26,124.77 and 10,433.29 is: 14,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,930.86 : 26,124.77 = 10,433.29 : x
  2. Step 2: Convert to fraction form
    18,930.86/26,124.77 = 10,433.29/x
  3. Step 3: Cross multiply
    18,930.86x = 26,124.77 × 10,433.29
  4. Step 4: Simplify right side
    18,930.86x = 272,567,392.22
  5. Step 5: Solve for x
    x = 272,567,392.22/18,930.86
  6. Step 6: Final answer
    x = 14,398.05

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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.