Home / 22,746.28-31,389.44-12,674.51

Finding the Fourth Proportional to 22,746.28, 31,389.44 and 12,674.51

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Solution

The fourth proportional to 22,746.28, 31,389.44 and 12,674.51 is: 17,490.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,746.28 : 31,389.44 = 12,674.51 : x
  2. Step 2: Convert to fraction form
    22,746.28/31,389.44 = 12,674.51/x
  3. Step 3: Cross multiply
    22,746.28x = 31,389.44 × 12,674.51
  4. Step 4: Simplify right side
    22,746.28x = 397,845,614.23
  5. Step 5: Solve for x
    x = 397,845,614.23/22,746.28
  6. Step 6: Final answer
    x = 17,490.58

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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.