Home / 15,054.05-20,776.01-8,339.96

Finding the Fourth Proportional to 15,054.05, 20,776.01 and 8,339.96

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Solution

The fourth proportional to 15,054.05, 20,776.01 and 8,339.96 is: 11,509.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054.05 : 20,776.01 = 8,339.96 : x
  2. Step 2: Convert to fraction form
    15,054.05/20,776.01 = 8,339.96/x
  3. Step 3: Cross multiply
    15,054.05x = 20,776.01 × 8,339.96
  4. Step 4: Simplify right side
    15,054.05x = 173,270,946.78
  5. Step 5: Solve for x
    x = 173,270,946.78/15,054.05
  6. Step 6: Final answer
    x = 11,509.93

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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.