Home / 22,666.32-31,278.91-12,594.51

Finding the Fourth Proportional to 22,666.32, 31,278.91 and 12,594.51

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Solution

The fourth proportional to 22,666.32, 31,278.91 and 12,594.51 is: 17,380.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,666.32 : 31,278.91 = 12,594.51 : x
  2. Step 2: Convert to fraction form
    22,666.32/31,278.91 = 12,594.51/x
  3. Step 3: Cross multiply
    22,666.32x = 31,278.91 × 12,594.51
  4. Step 4: Simplify right side
    22,666.32x = 393,942,396.00
  5. Step 5: Solve for x
    x = 393,942,396.00/22,666.32
  6. Step 6: Final answer
    x = 17,380.07

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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.