Home / 14,740.78-20,342.67-8,026.69

Finding the Fourth Proportional to 14,740.78, 20,342.67 and 8,026.69

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Solution

The fourth proportional to 14,740.78, 20,342.67 and 8,026.69 is: 11,077.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740.78 : 20,342.67 = 8,026.69 : x
  2. Step 2: Convert to fraction form
    14,740.78/20,342.67 = 8,026.69/x
  3. Step 3: Cross multiply
    14,740.78x = 20,342.67 × 8,026.69
  4. Step 4: Simplify right side
    14,740.78x = 163,284,305.86
  5. Step 5: Solve for x
    x = 163,284,305.86/14,740.78
  6. Step 6: Final answer
    x = 11,077.05

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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.