Home / 25,131.17-34,686.14-14,519.36

Finding the Fourth Proportional to 25,131.17, 34,686.14 and 14,519.36

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Solution

The fourth proportional to 25,131.17, 34,686.14 and 14,519.36 is: 20,039.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,131.17 : 34,686.14 = 14,519.36 : x
  2. Step 2: Convert to fraction form
    25,131.17/34,686.14 = 14,519.36/x
  3. Step 3: Cross multiply
    25,131.17x = 34,686.14 × 14,519.36
  4. Step 4: Simplify right side
    25,131.17x = 503,620,307.64
  5. Step 5: Solve for x
    x = 503,620,307.64/25,131.17
  6. Step 6: Final answer
    x = 20,039.67

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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.