Home / 27,225.12-37,574.70-16,620.90

Finding the Fourth Proportional to 27,225.12, 37,574.70 and 16,620.90

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Solution

The fourth proportional to 27,225.12, 37,574.70 and 16,620.90 is: 22,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,225.12 : 37,574.70 = 16,620.90 : x
  2. Step 2: Convert to fraction form
    27,225.12/37,574.70 = 16,620.90/x
  3. Step 3: Cross multiply
    27,225.12x = 37,574.70 × 16,620.90
  4. Step 4: Simplify right side
    27,225.12x = 624,525,331.23
  5. Step 5: Solve for x
    x = 624,525,331.23/27,225.12
  6. Step 6: Final answer
    x = 22,939.30

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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.