Home / 20,536.02-30,803.95-4,953.64

Finding the Fourth Proportional to 20,536.02, 30,803.95 and 4,953.64

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Solution

The fourth proportional to 20,536.02, 30,803.95 and 4,953.64 is: 7,430.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536.02 : 30,803.95 = 4,953.64 : x
  2. Step 2: Convert to fraction form
    20,536.02/30,803.95 = 4,953.64/x
  3. Step 3: Cross multiply
    20,536.02x = 30,803.95 × 4,953.64
  4. Step 4: Simplify right side
    20,536.02x = 152,591,678.88
  5. Step 5: Solve for x
    x = 152,591,678.88/20,536.02
  6. Step 6: Final answer
    x = 7,430.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.