Home / 15,770.27-21,763.48-9,057.26

Finding the Fourth Proportional to 15,770.27, 21,763.48 and 9,057.26

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Solution

The fourth proportional to 15,770.27, 21,763.48 and 9,057.26 is: 12,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770.27 : 21,763.48 = 9,057.26 : x
  2. Step 2: Convert to fraction form
    15,770.27/21,763.48 = 9,057.26/x
  3. Step 3: Cross multiply
    15,770.27x = 21,763.48 × 9,057.26
  4. Step 4: Simplify right side
    15,770.27x = 197,117,528.63
  5. Step 5: Solve for x
    x = 197,117,528.63/15,770.27
  6. Step 6: Final answer
    x = 12,499.31

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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.