Home / 19,728.56-29,597.40-6,581.05

Finding the Fourth Proportional to 19,728.56, 29,597.40 and 6,581.05

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Solution

The fourth proportional to 19,728.56, 29,597.40 and 6,581.05 is: 9,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.56 : 29,597.40 = 6,581.05 : x
  2. Step 2: Convert to fraction form
    19,728.56/29,597.40 = 6,581.05/x
  3. Step 3: Cross multiply
    19,728.56x = 29,597.40 × 6,581.05
  4. Step 4: Simplify right side
    19,728.56x = 194,781,895.28
  5. Step 5: Solve for x
    x = 194,781,895.28/19,728.56
  6. Step 6: Final answer
    x = 9,873.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.