Home / 22,106.64-30,513.60-17,661.36

Finding the Fourth Proportional to 22,106.64, 30,513.60 and 17,661.36

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Solution

The fourth proportional to 22,106.64, 30,513.60 and 17,661.36 is: 24,377.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,106.64 : 30,513.60 = 17,661.36 : x
  2. Step 2: Convert to fraction form
    22,106.64/30,513.60 = 17,661.36/x
  3. Step 3: Cross multiply
    22,106.64x = 30,513.60 × 17,661.36
  4. Step 4: Simplify right side
    22,106.64x = 538,911,674.50
  5. Step 5: Solve for x
    x = 538,911,674.50/22,106.64
  6. Step 6: Final answer
    x = 24,377.82

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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.