Home / 15,770.14-21,763.18-9,057.06

Finding the Fourth Proportional to 15,770.14, 21,763.18 and 9,057.06

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Solution

The fourth proportional to 15,770.14, 21,763.18 and 9,057.06 is: 12,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770.14 : 21,763.18 = 9,057.06 : x
  2. Step 2: Convert to fraction form
    15,770.14/21,763.18 = 9,057.06/x
  3. Step 3: Cross multiply
    15,770.14x = 21,763.18 × 9,057.06
  4. Step 4: Simplify right side
    15,770.14x = 197,110,427.05
  5. Step 5: Solve for x
    x = 197,110,427.05/15,770.14
  6. Step 6: Final answer
    x = 12,498.96

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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.