Home / 15,041.60-20,765.70-11,263.44

Finding the Fourth Proportional to 15,041.60, 20,765.70 and 11,263.44

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Solution

The fourth proportional to 15,041.60, 20,765.70 and 11,263.44 is: 15,549.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,041.60 : 20,765.70 = 11,263.44 : x
  2. Step 2: Convert to fraction form
    15,041.60/20,765.70 = 11,263.44/x
  3. Step 3: Cross multiply
    15,041.60x = 20,765.70 × 11,263.44
  4. Step 4: Simplify right side
    15,041.60x = 233,893,216.01
  5. Step 5: Solve for x
    x = 233,893,216.01/15,041.60
  6. Step 6: Final answer
    x = 15,549.76

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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.