Home / 18,346.97-25,339.59-12,368.36

Finding the Fourth Proportional to 18,346.97, 25,339.59 and 12,368.36

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Solution

The fourth proportional to 18,346.97, 25,339.59 and 12,368.36 is: 17,082.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.97 : 25,339.59 = 12,368.36 : x
  2. Step 2: Convert to fraction form
    18,346.97/25,339.59 = 12,368.36/x
  3. Step 3: Cross multiply
    18,346.97x = 25,339.59 × 12,368.36
  4. Step 4: Simplify right side
    18,346.97x = 313,409,044.67
  5. Step 5: Solve for x
    x = 313,409,044.67/18,346.97
  6. Step 6: Final answer
    x = 17,082.34

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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.