Home / 23,185.63-31,995.30-12,574.90

Finding the Fourth Proportional to 23,185.63, 31,995.30 and 12,574.90

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Solution

The fourth proportional to 23,185.63, 31,995.30 and 12,574.90 is: 17,352.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,185.63 : 31,995.30 = 12,574.90 : x
  2. Step 2: Convert to fraction form
    23,185.63/31,995.30 = 12,574.90/x
  3. Step 3: Cross multiply
    23,185.63x = 31,995.30 × 12,574.90
  4. Step 4: Simplify right side
    23,185.63x = 402,337,697.97
  5. Step 5: Solve for x
    x = 402,337,697.97/23,185.63
  6. Step 6: Final answer
    x = 17,352.89

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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.