Home / 19,724.30-27,218.34-10,770.02

Finding the Fourth Proportional to 19,724.30, 27,218.34 and 10,770.02

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Solution

The fourth proportional to 19,724.30, 27,218.34 and 10,770.02 is: 14,861.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724.30 : 27,218.34 = 10,770.02 : x
  2. Step 2: Convert to fraction form
    19,724.30/27,218.34 = 10,770.02/x
  3. Step 3: Cross multiply
    19,724.30x = 27,218.34 × 10,770.02
  4. Step 4: Simplify right side
    19,724.30x = 293,142,066.17
  5. Step 5: Solve for x
    x = 293,142,066.17/19,724.30
  6. Step 6: Final answer
    x = 14,861.98

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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.