Home / 23,021.08-31,769.22-13,594.30

Finding the Fourth Proportional to 23,021.08, 31,769.22 and 13,594.30

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Solution

The fourth proportional to 23,021.08, 31,769.22 and 13,594.30 is: 18,760.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,021.08 : 31,769.22 = 13,594.30 : x
  2. Step 2: Convert to fraction form
    23,021.08/31,769.22 = 13,594.30/x
  3. Step 3: Cross multiply
    23,021.08x = 31,769.22 × 13,594.30
  4. Step 4: Simplify right side
    23,021.08x = 431,880,307.45
  5. Step 5: Solve for x
    x = 431,880,307.45/23,021.08
  6. Step 6: Final answer
    x = 18,760.21

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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.