Home / 18,709.06-25,801.64-14,453.72

Finding the Fourth Proportional to 18,709.06, 25,801.64 and 14,453.72

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Solution

The fourth proportional to 18,709.06, 25,801.64 and 14,453.72 is: 19,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709.06 : 25,801.64 = 14,453.72 : x
  2. Step 2: Convert to fraction form
    18,709.06/25,801.64 = 14,453.72/x
  3. Step 3: Cross multiply
    18,709.06x = 25,801.64 × 14,453.72
  4. Step 4: Simplify right side
    18,709.06x = 372,929,680.10
  5. Step 5: Solve for x
    x = 372,929,680.10/18,709.06
  6. Step 6: Final answer
    x = 19,933.11

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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.