Home / 22,746.47-31,389.33-12,674.39

Finding the Fourth Proportional to 22,746.47, 31,389.33 and 12,674.39

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Solution

The fourth proportional to 22,746.47, 31,389.33 and 12,674.39 is: 17,490.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,746.47 : 31,389.33 = 12,674.39 : x
  2. Step 2: Convert to fraction form
    22,746.47/31,389.33 = 12,674.39/x
  3. Step 3: Cross multiply
    22,746.47x = 31,389.33 × 12,674.39
  4. Step 4: Simplify right side
    22,746.47x = 397,840,610.26
  5. Step 5: Solve for x
    x = 397,840,610.26/22,746.47
  6. Step 6: Final answer
    x = 17,490.21

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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.