Home / 14,772.16-20,385.64-8,057.93

Finding the Fourth Proportional to 14,772.16, 20,385.64 and 8,057.93

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Solution

The fourth proportional to 14,772.16, 20,385.64 and 8,057.93 is: 11,119.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.16 : 20,385.64 = 8,057.93 : x
  2. Step 2: Convert to fraction form
    14,772.16/20,385.64 = 8,057.93/x
  3. Step 3: Cross multiply
    14,772.16x = 20,385.64 × 8,057.93
  4. Step 4: Simplify right side
    14,772.16x = 164,266,080.27
  5. Step 5: Solve for x
    x = 164,266,080.27/14,772.16
  6. Step 6: Final answer
    x = 11,119.98

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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.