Home / 19,339.60-28,951.80-11,544.40

Finding the Fourth Proportional to 19,339.60, 28,951.80 and 11,544.40

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Solution

The fourth proportional to 19,339.60, 28,951.80 and 11,544.40 is: 17,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.60 : 28,951.80 = 11,544.40 : x
  2. Step 2: Convert to fraction form
    19,339.60/28,951.80 = 11,544.40/x
  3. Step 3: Cross multiply
    19,339.60x = 28,951.80 × 11,544.40
  4. Step 4: Simplify right side
    19,339.60x = 334,231,159.92
  5. Step 5: Solve for x
    x = 334,231,159.92/19,339.60
  6. Step 6: Final answer
    x = 17,282.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.