Home / 18,938.77-26,135.69-10,441.19

Finding the Fourth Proportional to 18,938.77, 26,135.69 and 10,441.19

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Solution

The fourth proportional to 18,938.77, 26,135.69 and 10,441.19 is: 14,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,938.77 : 26,135.69 = 10,441.19 : x
  2. Step 2: Convert to fraction form
    18,938.77/26,135.69 = 10,441.19/x
  3. Step 3: Cross multiply
    18,938.77x = 26,135.69 × 10,441.19
  4. Step 4: Simplify right side
    18,938.77x = 272,887,718.20
  5. Step 5: Solve for x
    x = 272,887,718.20/18,938.77
  6. Step 6: Final answer
    x = 14,408.94

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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.