Home / 22,052.51-30,432.67-11,981.02

Finding the Fourth Proportional to 22,052.51, 30,432.67 and 11,981.02

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Solution

The fourth proportional to 22,052.51, 30,432.67 and 11,981.02 is: 16,533.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,052.51 : 30,432.67 = 11,981.02 : x
  2. Step 2: Convert to fraction form
    22,052.51/30,432.67 = 11,981.02/x
  3. Step 3: Cross multiply
    22,052.51x = 30,432.67 × 11,981.02
  4. Step 4: Simplify right side
    22,052.51x = 364,614,427.92
  5. Step 5: Solve for x
    x = 364,614,427.92/22,052.51
  6. Step 6: Final answer
    x = 16,533.92

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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.