Home / 14,751.59-20,356.43-8,036.78

Finding the Fourth Proportional to 14,751.59, 20,356.43 and 8,036.78

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Solution

The fourth proportional to 14,751.59, 20,356.43 and 8,036.78 is: 11,090.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,751.59 : 20,356.43 = 8,036.78 : x
  2. Step 2: Convert to fraction form
    14,751.59/20,356.43 = 8,036.78/x
  3. Step 3: Cross multiply
    14,751.59x = 20,356.43 × 8,036.78
  4. Step 4: Simplify right side
    14,751.59x = 163,600,007.53
  5. Step 5: Solve for x
    x = 163,600,007.53/14,751.59
  6. Step 6: Final answer
    x = 11,090.33

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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.