Home / 22,649.19-31,250.85-13,696.51

Finding the Fourth Proportional to 22,649.19, 31,250.85 and 13,696.51

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Solution

The fourth proportional to 22,649.19, 31,250.85 and 13,696.51 is: 18,898.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,649.19 : 31,250.85 = 13,696.51 : x
  2. Step 2: Convert to fraction form
    22,649.19/31,250.85 = 13,696.51/x
  3. Step 3: Cross multiply
    22,649.19x = 31,250.85 × 13,696.51
  4. Step 4: Simplify right side
    22,649.19x = 428,027,423.28
  5. Step 5: Solve for x
    x = 428,027,423.28/22,649.19
  6. Step 6: Final answer
    x = 18,898.13

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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.