Home / 14,760.32-20,368.62-8,045.80

Finding the Fourth Proportional to 14,760.32, 20,368.62 and 8,045.80

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Solution

The fourth proportional to 14,760.32, 20,368.62 and 8,045.80 is: 11,102.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,760.32 : 20,368.62 = 8,045.80 : x
  2. Step 2: Convert to fraction form
    14,760.32/20,368.62 = 8,045.80/x
  3. Step 3: Cross multiply
    14,760.32x = 20,368.62 × 8,045.80
  4. Step 4: Simplify right side
    14,760.32x = 163,881,791.87
  5. Step 5: Solve for x
    x = 163,881,791.87/14,760.32
  6. Step 6: Final answer
    x = 11,102.87

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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.