Home / 14,086.03-19,438.53-7,712.54

Finding the Fourth Proportional to 14,086.03, 19,438.53 and 7,712.54

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Solution

The fourth proportional to 14,086.03, 19,438.53 and 7,712.54 is: 10,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.03 : 19,438.53 = 7,712.54 : x
  2. Step 2: Convert to fraction form
    14,086.03/19,438.53 = 7,712.54/x
  3. Step 3: Cross multiply
    14,086.03x = 19,438.53 × 7,712.54
  4. Step 4: Simplify right side
    14,086.03x = 149,920,440.17
  5. Step 5: Solve for x
    x = 149,920,440.17/14,086.03
  6. Step 6: Final answer
    x = 10,643.20

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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.