Home / 23,299.88-32,154.40-12,690.08

Finding the Fourth Proportional to 23,299.88, 32,154.40 and 12,690.08

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Solution

The fourth proportional to 23,299.88, 32,154.40 and 12,690.08 is: 17,512.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,299.88 : 32,154.40 = 12,690.08 : x
  2. Step 2: Convert to fraction form
    23,299.88/32,154.40 = 12,690.08/x
  3. Step 3: Cross multiply
    23,299.88x = 32,154.40 × 12,690.08
  4. Step 4: Simplify right side
    23,299.88x = 408,041,908.35
  5. Step 5: Solve for x
    x = 408,041,908.35/23,299.88
  6. Step 6: Final answer
    x = 17,512.62

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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.