Home / 22,809.66-31,490.40-17,389.56

Finding the Fourth Proportional to 22,809.66, 31,490.40 and 17,389.56

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Solution

The fourth proportional to 22,809.66, 31,490.40 and 17,389.56 is: 24,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,809.66 : 31,490.40 = 17,389.56 : x
  2. Step 2: Convert to fraction form
    22,809.66/31,490.40 = 17,389.56/x
  3. Step 3: Cross multiply
    22,809.66x = 31,490.40 × 17,389.56
  4. Step 4: Simplify right side
    22,809.66x = 547,604,200.22
  5. Step 5: Solve for x
    x = 547,604,200.22/22,809.66
  6. Step 6: Final answer
    x = 24,007.56

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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.