Home / 22,122.48-30,528.84-12,050.80

Finding the Fourth Proportional to 22,122.48, 30,528.84 and 12,050.80

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Solution

The fourth proportional to 22,122.48, 30,528.84 and 12,050.80 is: 16,630.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.48 : 30,528.84 = 12,050.80 : x
  2. Step 2: Convert to fraction form
    22,122.48/30,528.84 = 12,050.80/x
  3. Step 3: Cross multiply
    22,122.48x = 30,528.84 × 12,050.80
  4. Step 4: Simplify right side
    22,122.48x = 367,896,945.07
  5. Step 5: Solve for x
    x = 367,896,945.07/22,122.48
  6. Step 6: Final answer
    x = 16,630.00

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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.