Home / 14,020.17-19,346.69-7,732.55

Finding the Fourth Proportional to 14,020.17, 19,346.69 and 7,732.55

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Solution

The fourth proportional to 14,020.17, 19,346.69 and 7,732.55 is: 10,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.17 : 19,346.69 = 7,732.55 : x
  2. Step 2: Convert to fraction form
    14,020.17/19,346.69 = 7,732.55/x
  3. Step 3: Cross multiply
    14,020.17x = 19,346.69 × 7,732.55
  4. Step 4: Simplify right side
    14,020.17x = 149,599,170.36
  5. Step 5: Solve for x
    x = 149,599,170.36/14,020.17
  6. Step 6: Final answer
    x = 10,670.28

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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.