Home / 22,718.40-31,322.16-16,649.52

Finding the Fourth Proportional to 22,718.40, 31,322.16 and 16,649.52

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Solution

The fourth proportional to 22,718.40, 31,322.16 and 16,649.52 is: 22,954.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,718.40 : 31,322.16 = 16,649.52 : x
  2. Step 2: Convert to fraction form
    22,718.40/31,322.16 = 16,649.52/x
  3. Step 3: Cross multiply
    22,718.40x = 31,322.16 × 16,649.52
  4. Step 4: Simplify right side
    22,718.40x = 521,498,929.36
  5. Step 5: Solve for x
    x = 521,498,929.36/22,718.40
  6. Step 6: Final answer
    x = 22,954.91

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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.