Home / 15,946.66-22,005.64-8,776.34

Finding the Fourth Proportional to 15,946.66, 22,005.64 and 8,776.34

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Solution

The fourth proportional to 15,946.66, 22,005.64 and 8,776.34 is: 12,110.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,946.66 : 22,005.64 = 8,776.34 : x
  2. Step 2: Convert to fraction form
    15,946.66/22,005.64 = 8,776.34/x
  3. Step 3: Cross multiply
    15,946.66x = 22,005.64 × 8,776.34
  4. Step 4: Simplify right side
    15,946.66x = 193,128,978.56
  5. Step 5: Solve for x
    x = 193,128,978.56/15,946.66
  6. Step 6: Final answer
    x = 12,110.94

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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.