Home / 14,493.06-20,009.25-13,599.54

Finding the Fourth Proportional to 14,493.06, 20,009.25 and 13,599.54

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Solution

The fourth proportional to 14,493.06, 20,009.25 and 13,599.54 is: 18,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,493.06 : 20,009.25 = 13,599.54 : x
  2. Step 2: Convert to fraction form
    14,493.06/20,009.25 = 13,599.54/x
  3. Step 3: Cross multiply
    14,493.06x = 20,009.25 × 13,599.54
  4. Step 4: Simplify right side
    14,493.06x = 272,116,595.75
  5. Step 5: Solve for x
    x = 272,116,595.75/14,493.06
  6. Step 6: Final answer
    x = 18,775.65

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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.