Home / 15,036.26-20,750.37-9,740.29

Finding the Fourth Proportional to 15,036.26, 20,750.37 and 9,740.29

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Solution

The fourth proportional to 15,036.26, 20,750.37 and 9,740.29 is: 13,441.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036.26 : 20,750.37 = 9,740.29 : x
  2. Step 2: Convert to fraction form
    15,036.26/20,750.37 = 9,740.29/x
  3. Step 3: Cross multiply
    15,036.26x = 20,750.37 × 9,740.29
  4. Step 4: Simplify right side
    15,036.26x = 202,114,517.66
  5. Step 5: Solve for x
    x = 202,114,517.66/15,036.26
  6. Step 6: Final answer
    x = 13,441.81

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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.