Home / 23,579.64-32,539.92-12,970.08

Finding the Fourth Proportional to 23,579.64, 32,539.92 and 12,970.08

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Solution

The fourth proportional to 23,579.64, 32,539.92 and 12,970.08 is: 17,898.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,579.64 : 32,539.92 = 12,970.08 : x
  2. Step 2: Convert to fraction form
    23,579.64/32,539.92 = 12,970.08/x
  3. Step 3: Cross multiply
    23,579.64x = 32,539.92 × 12,970.08
  4. Step 4: Simplify right side
    23,579.64x = 422,045,365.59
  5. Step 5: Solve for x
    x = 422,045,365.59/23,579.64
  6. Step 6: Final answer
    x = 17,898.72

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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.