Home / 20,552.56-28,359.48-12,482.02

Finding the Fourth Proportional to 20,552.56, 28,359.48 and 12,482.02

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Solution

The fourth proportional to 20,552.56, 28,359.48 and 12,482.02 is: 17,223.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.56 : 28,359.48 = 12,482.02 : x
  2. Step 2: Convert to fraction form
    20,552.56/28,359.48 = 12,482.02/x
  3. Step 3: Cross multiply
    20,552.56x = 28,359.48 × 12,482.02
  4. Step 4: Simplify right side
    20,552.56x = 353,983,596.55
  5. Step 5: Solve for x
    x = 353,983,596.55/20,552.56
  6. Step 6: Final answer
    x = 17,223.33

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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.