Home / 23,240.31-32,070.96-13,172.00

Finding the Fourth Proportional to 23,240.31, 32,070.96 and 13,172.00

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Solution

The fourth proportional to 23,240.31, 32,070.96 and 13,172.00 is: 18,176.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,240.31 : 32,070.96 = 13,172.00 : x
  2. Step 2: Convert to fraction form
    23,240.31/32,070.96 = 13,172.00/x
  3. Step 3: Cross multiply
    23,240.31x = 32,070.96 × 13,172.00
  4. Step 4: Simplify right side
    23,240.31x = 422,438,595.64
  5. Step 5: Solve for x
    x = 422,438,595.64/23,240.31
  6. Step 6: Final answer
    x = 18,176.98

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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.