Home / 13,955.19-20,934.10-4,591.38

Finding the Fourth Proportional to 13,955.19, 20,934.10 and 4,591.38

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Solution

The fourth proportional to 13,955.19, 20,934.10 and 4,591.38 is: 6,887.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.19 : 20,934.10 = 4,591.38 : x
  2. Step 2: Convert to fraction form
    13,955.19/20,934.10 = 4,591.38/x
  3. Step 3: Cross multiply
    13,955.19x = 20,934.10 × 4,591.38
  4. Step 4: Simplify right side
    13,955.19x = 96,116,466.47
  5. Step 5: Solve for x
    x = 96,116,466.47/13,955.19
  6. Step 6: Final answer
    x = 6,887.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.