Home / 23,170.65-34,750.64-13,813.30

Finding the Fourth Proportional to 23,170.65, 34,750.64 and 13,813.30

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Solution

The fourth proportional to 23,170.65, 34,750.64 and 13,813.30 is: 20,716.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.65 : 34,750.64 = 13,813.30 : x
  2. Step 2: Convert to fraction form
    23,170.65/34,750.64 = 13,813.30/x
  3. Step 3: Cross multiply
    23,170.65x = 34,750.64 × 13,813.30
  4. Step 4: Simplify right side
    23,170.65x = 480,020,946.45
  5. Step 5: Solve for x
    x = 480,020,946.45/23,170.65
  6. Step 6: Final answer
    x = 20,716.77

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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.