Home / 23,318.60-32,179.38-12,970.04

Finding the Fourth Proportional to 23,318.60, 32,179.38 and 12,970.04

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Solution

The fourth proportional to 23,318.60, 32,179.38 and 12,970.04 is: 17,898.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,318.60 : 32,179.38 = 12,970.04 : x
  2. Step 2: Convert to fraction form
    23,318.60/32,179.38 = 12,970.04/x
  3. Step 3: Cross multiply
    23,318.60x = 32,179.38 × 12,970.04
  4. Step 4: Simplify right side
    23,318.60x = 417,367,845.78
  5. Step 5: Solve for x
    x = 417,367,845.78/23,318.60
  6. Step 6: Final answer
    x = 17,898.50

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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.