Home / 23,461.10-32,378.66-13,391.06

Finding the Fourth Proportional to 23,461.10, 32,378.66 and 13,391.06

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Solution

The fourth proportional to 23,461.10, 32,378.66 and 13,391.06 is: 18,481.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,461.10 : 32,378.66 = 13,391.06 : x
  2. Step 2: Convert to fraction form
    23,461.10/32,378.66 = 13,391.06/x
  3. Step 3: Cross multiply
    23,461.10x = 32,378.66 × 13,391.06
  4. Step 4: Simplify right side
    23,461.10x = 433,584,578.78
  5. Step 5: Solve for x
    x = 433,584,578.78/23,461.10
  6. Step 6: Final answer
    x = 18,481.00

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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.