Home / 20,618.02-30,903.13-9,501.36

Finding the Fourth Proportional to 20,618.02, 30,903.13 and 9,501.36

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Solution

The fourth proportional to 20,618.02, 30,903.13 and 9,501.36 is: 14,241.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,618.02 : 30,903.13 = 9,501.36 : x
  2. Step 2: Convert to fraction form
    20,618.02/30,903.13 = 9,501.36/x
  3. Step 3: Cross multiply
    20,618.02x = 30,903.13 × 9,501.36
  4. Step 4: Simplify right side
    20,618.02x = 293,621,763.26
  5. Step 5: Solve for x
    x = 293,621,763.26/20,618.02
  6. Step 6: Final answer
    x = 14,241.03

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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.