Home / 23,001.06-31,736.16-16,636.98

Finding the Fourth Proportional to 23,001.06, 31,736.16 and 16,636.98

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Solution

The fourth proportional to 23,001.06, 31,736.16 and 16,636.98 is: 22,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,001.06 : 31,736.16 = 16,636.98 : x
  2. Step 2: Convert to fraction form
    23,001.06/31,736.16 = 16,636.98/x
  3. Step 3: Cross multiply
    23,001.06x = 31,736.16 × 16,636.98
  4. Step 4: Simplify right side
    23,001.06x = 527,993,859.20
  5. Step 5: Solve for x
    x = 527,993,859.20/23,001.06
  6. Step 6: Final answer
    x = 22,955.20

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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.