Home / 22,977.72-31,710.96-12,907.08

Finding the Fourth Proportional to 22,977.72, 31,710.96 and 12,907.08

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Solution

The fourth proportional to 22,977.72, 31,710.96 and 12,907.08 is: 17,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,977.72 : 31,710.96 = 12,907.08 : x
  2. Step 2: Convert to fraction form
    22,977.72/31,710.96 = 12,907.08/x
  3. Step 3: Cross multiply
    22,977.72x = 31,710.96 × 12,907.08
  4. Step 4: Simplify right side
    22,977.72x = 409,295,897.60
  5. Step 5: Solve for x
    x = 409,295,897.60/22,977.72
  6. Step 6: Final answer
    x = 17,812.73

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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.