Home / 17,927.52-24,676.32-13,139.04

Finding the Fourth Proportional to 17,927.52, 24,676.32 and 13,139.04

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Solution

The fourth proportional to 17,927.52, 24,676.32 and 13,139.04 is: 18,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,927.52 : 24,676.32 = 13,139.04 : x
  2. Step 2: Convert to fraction form
    17,927.52/24,676.32 = 13,139.04/x
  3. Step 3: Cross multiply
    17,927.52x = 24,676.32 × 13,139.04
  4. Step 4: Simplify right side
    17,927.52x = 324,223,155.53
  5. Step 5: Solve for x
    x = 324,223,155.53/17,927.52
  6. Step 6: Final answer
    x = 18,085.22

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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.