Home / 18,556.11-25,587.05-14,297.76

Finding the Fourth Proportional to 18,556.11, 25,587.05 and 14,297.76

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Solution

The fourth proportional to 18,556.11, 25,587.05 and 14,297.76 is: 19,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.11 : 25,587.05 = 14,297.76 : x
  2. Step 2: Convert to fraction form
    18,556.11/25,587.05 = 14,297.76/x
  3. Step 3: Cross multiply
    18,556.11x = 25,587.05 × 14,297.76
  4. Step 4: Simplify right side
    18,556.11x = 365,837,428.52
  5. Step 5: Solve for x
    x = 365,837,428.52/18,556.11
  6. Step 6: Final answer
    x = 19,715.20

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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.