Home / 20,580.01-30,870.02-4,997.53

Finding the Fourth Proportional to 20,580.01, 30,870.02 and 4,997.53

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Solution

The fourth proportional to 20,580.01, 30,870.02 and 4,997.53 is: 7,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,580.01 : 30,870.02 = 4,997.53 : x
  2. Step 2: Convert to fraction form
    20,580.01/30,870.02 = 4,997.53/x
  3. Step 3: Cross multiply
    20,580.01x = 30,870.02 × 4,997.53
  4. Step 4: Simplify right side
    20,580.01x = 154,273,851.05
  5. Step 5: Solve for x
    x = 154,273,851.05/20,580.01
  6. Step 6: Final answer
    x = 7,496.30

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1.5x scale

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.