Home / 14,751.48-20,356.31-8,036.72

Finding the Fourth Proportional to 14,751.48, 20,356.31 and 8,036.72

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Solution

The fourth proportional to 14,751.48, 20,356.31 and 8,036.72 is: 11,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,751.48 : 20,356.31 = 8,036.72 : x
  2. Step 2: Convert to fraction form
    14,751.48/20,356.31 = 8,036.72/x
  3. Step 3: Cross multiply
    14,751.48x = 20,356.31 × 8,036.72
  4. Step 4: Simplify right side
    14,751.48x = 163,597,958.35
  5. Step 5: Solve for x
    x = 163,597,958.35/14,751.48
  6. Step 6: Final answer
    x = 11,090.27

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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.