Home / 22,525.22-31,084.80-12,316.28

Finding the Fourth Proportional to 22,525.22, 31,084.80 and 12,316.28

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Solution

The fourth proportional to 22,525.22, 31,084.80 and 12,316.28 is: 16,996.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,525.22 : 31,084.80 = 12,316.28 : x
  2. Step 2: Convert to fraction form
    22,525.22/31,084.80 = 12,316.28/x
  3. Step 3: Cross multiply
    22,525.22x = 31,084.80 × 12,316.28
  4. Step 4: Simplify right side
    22,525.22x = 382,849,100.54
  5. Step 5: Solve for x
    x = 382,849,100.54/22,525.22
  6. Step 6: Final answer
    x = 16,996.46

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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.