Home / 20,370.02-30,559.63-9,273.74

Finding the Fourth Proportional to 20,370.02, 30,559.63 and 9,273.74

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Solution

The fourth proportional to 20,370.02, 30,559.63 and 9,273.74 is: 13,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,370.02 : 30,559.63 = 9,273.74 : x
  2. Step 2: Convert to fraction form
    20,370.02/30,559.63 = 9,273.74/x
  3. Step 3: Cross multiply
    20,370.02x = 30,559.63 × 9,273.74
  4. Step 4: Simplify right side
    20,370.02x = 283,402,063.12
  5. Step 5: Solve for x
    x = 283,402,063.12/20,370.02
  6. Step 6: Final answer
    x = 13,912.70

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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.