Home / 23,595.96-32,563.20-12,986.40

Finding the Fourth Proportional to 23,595.96, 32,563.20 and 12,986.40

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Solution

The fourth proportional to 23,595.96, 32,563.20 and 12,986.40 is: 17,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,595.96 : 32,563.20 = 12,986.40 : x
  2. Step 2: Convert to fraction form
    23,595.96/32,563.20 = 12,986.40/x
  3. Step 3: Cross multiply
    23,595.96x = 32,563.20 × 12,986.40
  4. Step 4: Simplify right side
    23,595.96x = 422,878,740.48
  5. Step 5: Solve for x
    x = 422,878,740.48/23,595.96
  6. Step 6: Final answer
    x = 17,921.66

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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.