Home / 14,140.32-19,448.72-11,339.68

Finding the Fourth Proportional to 14,140.32, 19,448.72 and 11,339.68

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Solution

The fourth proportional to 14,140.32, 19,448.72 and 11,339.68 is: 15,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.32 : 19,448.72 = 11,339.68 : x
  2. Step 2: Convert to fraction form
    14,140.32/19,448.72 = 11,339.68/x
  3. Step 3: Cross multiply
    14,140.32x = 19,448.72 × 11,339.68
  4. Step 4: Simplify right side
    14,140.32x = 220,542,261.21
  5. Step 5: Solve for x
    x = 220,542,261.21/14,140.32
  6. Step 6: Final answer
    x = 15,596.70

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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.