Home / 22,112.64-30,521.88-17,667.36

Finding the Fourth Proportional to 22,112.64, 30,521.88 and 17,667.36

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Solution

The fourth proportional to 22,112.64, 30,521.88 and 17,667.36 is: 24,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,112.64 : 30,521.88 = 17,667.36 : x
  2. Step 2: Convert to fraction form
    22,112.64/30,521.88 = 17,667.36/x
  3. Step 3: Cross multiply
    22,112.64x = 30,521.88 × 17,667.36
  4. Step 4: Simplify right side
    22,112.64x = 539,241,041.84
  5. Step 5: Solve for x
    x = 539,241,041.84/22,112.64
  6. Step 6: Final answer
    x = 24,386.10

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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.