Home / 18,366.09-25,345.51-10,408.15

Finding the Fourth Proportional to 18,366.09, 25,345.51 and 10,408.15

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Solution

The fourth proportional to 18,366.09, 25,345.51 and 10,408.15 is: 14,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366.09 : 25,345.51 = 10,408.15 : x
  2. Step 2: Convert to fraction form
    18,366.09/25,345.51 = 10,408.15/x
  3. Step 3: Cross multiply
    18,366.09x = 25,345.51 × 10,408.15
  4. Step 4: Simplify right side
    18,366.09x = 263,799,733.00
  5. Step 5: Solve for x
    x = 263,799,733.00/18,366.09
  6. Step 6: Final answer
    x = 14,363.41

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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.