Home / 15,036.48-20,751.66-8,750.88

Finding the Fourth Proportional to 15,036.48, 20,751.66 and 8,750.88

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Solution

The fourth proportional to 15,036.48, 20,751.66 and 8,750.88 is: 12,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036.48 : 20,751.66 = 8,750.88 : x
  2. Step 2: Convert to fraction form
    15,036.48/20,751.66 = 8,750.88/x
  3. Step 3: Cross multiply
    15,036.48x = 20,751.66 × 8,750.88
  4. Step 4: Simplify right side
    15,036.48x = 181,595,286.46
  5. Step 5: Solve for x
    x = 181,595,286.46/15,036.48
  6. Step 6: Final answer
    x = 12,076.98

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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.