Home / 22,977.68-31,707.23-12,905.33

Finding the Fourth Proportional to 22,977.68, 31,707.23 and 12,905.33

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Solution

The fourth proportional to 22,977.68, 31,707.23 and 12,905.33 is: 17,808.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,977.68 : 31,707.23 = 12,905.33 : x
  2. Step 2: Convert to fraction form
    22,977.68/31,707.23 = 12,905.33/x
  3. Step 3: Cross multiply
    22,977.68x = 31,707.23 × 12,905.33
  4. Step 4: Simplify right side
    22,977.68x = 409,192,043.47
  5. Step 5: Solve for x
    x = 409,192,043.47/22,977.68
  6. Step 6: Final answer
    x = 17,808.24

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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.