Home / 14,128.66-19,483.92-9,346.42

Finding the Fourth Proportional to 14,128.66, 19,483.92 and 9,346.42

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Solution

The fourth proportional to 14,128.66, 19,483.92 and 9,346.42 is: 12,889.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.66 : 19,483.92 = 9,346.42 : x
  2. Step 2: Convert to fraction form
    14,128.66/19,483.92 = 9,346.42/x
  3. Step 3: Cross multiply
    14,128.66x = 19,483.92 × 9,346.42
  4. Step 4: Simplify right side
    14,128.66x = 182,104,899.57
  5. Step 5: Solve for x
    x = 182,104,899.57/14,128.66
  6. Step 6: Final answer
    x = 12,889.04

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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.