Home / 14,005.12-19,336.56-9,806.08

Finding the Fourth Proportional to 14,005.12, 19,336.56 and 9,806.08

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Solution

The fourth proportional to 14,005.12, 19,336.56 and 9,806.08 is: 13,539.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.12 : 19,336.56 = 9,806.08 : x
  2. Step 2: Convert to fraction form
    14,005.12/19,336.56 = 9,806.08/x
  3. Step 3: Cross multiply
    14,005.12x = 19,336.56 × 9,806.08
  4. Step 4: Simplify right side
    14,005.12x = 189,615,854.28
  5. Step 5: Solve for x
    x = 189,615,854.28/14,005.12
  6. Step 6: Final answer
    x = 13,539.04

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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.