Home / 14,233.98-19,642.56-7,861.08

Finding the Fourth Proportional to 14,233.98, 19,642.56 and 7,861.08

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Solution

The fourth proportional to 14,233.98, 19,642.56 and 7,861.08 is: 10,848.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,233.98 : 19,642.56 = 7,861.08 : x
  2. Step 2: Convert to fraction form
    14,233.98/19,642.56 = 7,861.08/x
  3. Step 3: Cross multiply
    14,233.98x = 19,642.56 × 7,861.08
  4. Step 4: Simplify right side
    14,233.98x = 154,411,735.56
  5. Step 5: Solve for x
    x = 154,411,735.56/14,233.98
  6. Step 6: Final answer
    x = 10,848.11

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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.